| class="wikitable sortable"
!Language/dialect
!Family
!data-sort-type=number|Date of extinction
!Region
!Ethnic group(s) |
| Aeolic Greek
|Indo-European
|data-sort-value="-300.00001"|300 BC{{citation needed|date=November 2024}}
|Aeolis, Boeotia, Lesbos, Thessaly
|Aeolians |
| Aequian
|Indo-European
|data-sort-value="-200.00001"|200s BC[{{Cite web|url=http://multitree.org/codes/xae|archive-url=https://archive.today/20150309165259/http://multitree.org/codes/xae|url-status=dead|archive-date=9 March 2015|title=Aequian - MultiTree|publisher=LINGUIST List|access-date=4 September 2023|quote=5th to 3rd centuries BC.}}]
|East-central Italy
|Aequi |
| Akkala Sámi
|Uralic
|data-sort-value="2003.1229"|29 December 2003[{{Cite web|url=http://www.galdu.org/govat/doc/nordisk_samekonvensjon.pdf|title=Nordisk samekonvensjon|date=26 October 2005|language=no|trans-title=Nordic Sami Convention|access-date=4 September 2023|url-status=dead|archive-url=https://web.archive.org/web/20070411023150/http://www.galdu.org/govat/doc/nordisk_samekonvensjon.pdf|archive-date=11 April 2007}}]
|Southwest Kola Peninsula
|Akkala Sámi |
| Alavese
|Basque {{Small|(language isolate)}}
|data-sort-value="_"|{{Data missing|date=September 2023}}
|Álava
|Alavese Basques |
| Ancient Belgian
|Indo-European
|data-sort-value="_"|{{Data missing|date=September 2023}}
|Nordwestblock
|Belgae |
| Ancient Macedonian
|Indo-European
|data-sort-value="00.00001"|0–300s AD[{{cite web|url=http://multitree.org/codes/xmk|archive-url=https://archive.today/20131122022719/http://multitree.org/codes/xmk|url-status=dead|publisher=LINGUIST List|archive-date=22 November 2013|title=Ancient Macedonian|access-date=2024-01-30|quote=Survived until the early 1st millennium AD.}}]
|Macedonia
|Ancient Macedonians |
| Andalusi Arabic
|Afroasiatic
|data-sort-value="1600.00001"|1600s AD[{{Cite book|last1=Versteegh|first1=Kees|author-link1=Kees Versteegh|editor-last1=Eid|editor-first1=Mushira|year=2006|title=Encyclopedia of Arabic Language and Linguistics|publisher=Brill}}]
|Al-Andalus
|Andalusi Muslims |
| Andalusi Romance
|Indo-European
|data-sort-value="1300.00001"|1300s AD[{{Britannica|395442|Mozarabic language}}]
|Al-Andalus
|Mozarabs and Muladí |
| Antrim Irish
|Indo-European
|data-sort-value="1983.02251"|25 February 1983[{{cite news|url=http://antrimhistory.net/lament-for-seamus-bhriain-mac-amhlaigh/|title=Lament For Seamus 'Bhriain' Mac Amhlaigh|date=2006-02-12|work=Glens Of Antrim Historical Society|access-date=2024-06-13|quote=... Séamus Bhriain Mac Amhlaigh, last native Irish speaker in the Glens of Antrim who died on the 25th February, 1983.}}]
|County Antrim
|Irish |
| Arcadocypriot Greek
|Indo-European
|data-sort-value="-300.00001"|300 BC{{citation needed|date=November 2024}}
|Arcadia and Cyprus
|Arcadocypriot Greeks |
| Armeno-Kipchak
|Turkic
|data-sort-value="1600.00001"|1600 AD[{{Cite journal |last=Abdurrazak Peler |first=Gökçe Yükselen |date=2015 |title=Tarihte Türk – Ermeni Temasları Sonucunda Ortaya Çıkmış Bir Halk: Ermeni Kıpçakları veya Gregoryan K |trans-title=A People Emerged as A Result of Historical Turkic – Armenian Contact: The Armeno-Kipchaks or Gregorian Kipchaks |journal=Journal of Turkish Studies |language=tr |volume=10 |issue=8 |pages=253 |doi=10.7827/turkishstudies.8215 |doi-access=free}}]
|Crimea
|Crimean Armenians |
| Army Slavic
|German–Czech pidgin
|data-sort-value="1918.00001"|1918 AD[{{cite thesis|last=Scheer|first=Tamara|year=2020|title=Language diversity and loyalty in the Habsburg army, 1868-1918|type=Habilitation Thesis|publisher=University of Vienna|url=https://phaidra.univie.ac.at/o:1393884|doi=10.25365/thesis.65387|hdl=11353/10.1393884|page=184|doi-access=free|hdl-access=free}}]
|Austria-Hungary
|Austro-Hungarian Army |
| Arran Gaelic
|Indo-European
|data-sort-value="1977"|1977 AD[{{Cite journal|last1=Broderick|first1=George|year=2018|title=The Arran Place-Name Survey: 1974–1975|url=https://clog.glasgow.ac.uk/ojs/index.php/JSNS/article/view/154/182|journal=The Journal of Scottish Name Studies|publisher=University of Mannheim|volume=12|page=4|quote=The reputedly last native speaker of Arran Gaelic, Donald Craig (1899–1977)...|access-date=5 December 2023}}]
|Isle of Arran
|Arran Gaels |
| Auregnais
|Indo-European
|data-sort-value="1960.00001"|1960s AD[{{Cite web|url=https://www.thestar.com/news/world/scottish-man-dies-taking-town-s-unique-dialect-with-him/article_c0f26355-ea7d-5a11-8b9d-3f501c91c970.html#:~:text=The%20last%20native%20speaker%20of%20Alderney%20French%2C%20a%20Norman%20dialect%20spoken%20in%20the%20Channel%20Islands%2C%20died%20around%201960.|title=Scottish man dies, taking town's unique dialect with him|last=Satter|first=Raphael|date=4 October 2012|website=Toronto Star|access-date=4 September 2023|quote=The last native speaker of Alderney French, a Norman dialect spoken in the Channel Islands, died around 1960.}}]
|Alderney
|Channel Islanders of Alderney |
| Basque–Icelandic pidgin
|Basque–Icelandic pidgin
|data-sort-value="1600.00001"|1600s AD[{{cite web|title=Icelandic Basque pidgin|url=https://ojs.ehu.eus/index.php/ASJU/article/download/8225/7387|first=Jose Ignatio|last=Hualde|access-date=3 June 2024|quote=...translation of two manuscripts written in Iceland in the seventeenth century. Since the contact situation was interrupted in the first part of the eighteenth century and was of intermittent nature, the contact pidgin probably never developed much further than the stage recorded in the manuscripts.}}]
|Westfjords
|Basque whalers and Icelanders |
| Bohemian Romani
|Indo-European
|data-sort-value="1939.00001"|1939–1945[{{cite web |title= Romani - Gypsies]
|url=https://www.crystalinks.com/romapeople.html|website=Crystalinks|access-date=12 May 2024|quote=In Central Europe, the extermination in the Protectorate of Bohemia and Moravia was so thorough that the Bohemian Romani language became extinct.}}
|Bohemia
|Bohemian Romani |
| Borgarmålet
|Swedish–Sámi pidgin
|data-sort-value="1700.00001"|1700s AD[{{cite journal|title=Borgarmålet: A Sámi–Swedish pidgin from the beginning of the 18th century|last=Kusmenko|first=Jurij K.|journal=NOWELE: North-Western European Language Evolution|date=January 2017|issue=1|volume=70|pages=39–56|doi=10.1075/nowele.70.1.03kus}}]
|Swedish Sápmi
|Swedes and Sámi |
| British Latin
|Indo-European
|data-sort-value="700.00001"|700s AD[{{Cite book|last=Charles-Edwards|first=Thomas|author-link=Thomas Charles-Edwards|date=29 November 2012|title=Wales and the Britons, 350-1064|publisher=Oxford University Press|page=75|isbn=978-0198217312}}]
|Roman Britain; later Anglo-Saxon England
|British Romans |
| Bulgar
|Turkic
|data-sort-value="1200.00001"|1200s AD[{{cite web|title=Volga-Bolgarian |url=http://multitree.org/codes/xbo |archive-url=https://archive.today/20150204115321/http://multitree.org/codes/xbo |url-status=dead |publisher=LINGUIST List |archive-date=4 February 2015 |access-date=24 April 2024 |quote=13th century AD.}}]
|Danubian Bulgaria and Volga Bulgaria
|Bulgars |
| Buri
|Indo-European
|data-sort-value="_"|{{Data missing|date=July 2024}}
|western Slovakia
|Buri tribe |
| Burgundian
|Indo-European
|data-sort-value="500.00001"|500s AD[{{Cite book|last1=Lockwood|first1=William|author-link1=William Burley Lockwood|year=1972|title=A Panorama of Indo-European Languages|publisher=Hutchinson|isbn=0091110211}}]
|Kingdom of the Burgundians
|Burgundians |
| Camunic
|Unclassified
|data-sort-value="-500.00001"|500–0s BC[{{cite web|title=Camunic |url=http://multitree.org/codes/xcc |archive-url=https://archive.today/20150106094247/http://multitree.org/codes/xcc |url-status=dead |publisher=LINGUIST List |archive-date=6 January 2015 |access-date=15 May 2024 |quote=Survived until the second half of first millennium BC.}}]
|Val Camonica
|Camunni |
| Celtiberian
|Indo-European
|data-sort-value="100.00001"|100s AD[{{cite web|title=Celtiberian |url=http://multitree.org/codes/xce |archive-url=https://archive.today/20150201203718/http://multitree.org/codes/xce |url-status=dead |publisher=LINGUIST List |archive-date=1 February 2015 |access-date=24 April 2024 |quote=Circa 175 BC to 100 AD.}}]
|Iberia
|Celtiberians |
| Cimmerian
|Indo-European
|data-sort-value="-620.00001"|620–580s BC[{{cite journal|last=Ivantchik|first=Askold|author-link=Askold Ivantchik|date=2001|title=The Current State of the Cimmerian Problem|url=https://www.researchgate.net/publication/249601848|journal=Ancient Civilizations from Scythia to Siberia|volume=7|issue=3|pages=307|doi=10.1163/15700570152758043|access-date=30 March 2025|quote=The development of the Classical tradition on the subject of the Cimmerians after their disappearance from the historical arena, no later than the very end of the 7th or very beginning of the 6th century BC}}]
|North Caucasus
|Cimmerians |
| Cisalpine Gaulish
|Indo-European
|data-sort-value="-50.00001"|50s BC[{{cite web|title=Cisalpine Gaulish |url=http://multitree.org/codes/xcg |archive-url=https://archive.today/20140302063338/http://multitree.org/codes/xcg |url-status=dead |publisher=LINGUIST List |archive-date=2 March 2014 |access-date=24 April 2024 |quote=ca. 150-50 BC}}]
|Cisalpine Gaul
|Cisalpine Gauls |
| Community of Villages Aragonese
|Indo-European
|data-sort-value="_"|{{Data missing|date=June 2025}}
|Kingdom of Aragon
|Aragonese |
| Crimean Gothic
|Indo-European
|data-sort-value="1700.00001"|1700s AD[{{Cite web|url=http://www.utexas.edu/cola/centers/lrc/eieol/gotol-10-R.html|title=The Corpus of Crimean Gothic|last1=Krause|first1=Todd|last2=Slocum|first2=Jonathan|publisher=University of Texas at Austin|access-date=4 September 2023|url-status=dead|archive-url=https://web.archive.org/web/20070302065118/http://www.utexas.edu/cola/centers/lrc/eieol/gotol-10-R.html|archive-date=2 March 2007}}]
|Crimea
|Crimean Goths |
| Cromarty
|Indo-European
|data-sort-value="2012.1002"|2 October 2012[{{cite web|url=https://www.bbc.com/news/uk-scotland-highlands-islands-19802616|title=Cromarty fisherfolk dialect's last native speaker dies|publisher=BBC|date=2 October 2012|access-date=1 June 2024}}]
|Cromarty
|Scots |
| Cuman
|Turkic
|data-sort-value="1770.00001"|1770 AD[{{cite book |last=Melnyk |first=Mykola |date=2022 |title=Byzantium and the Pechenegs |quote=István Varró, a member of the Jász-Cuman mission to the empress of Austria Maria Theresa and the known last speaker of the Cuman language, died in 1770.}}]
|Cumania and Hungary
|Cumans |
| Cumbric
|Indo-European
|data-sort-value="1100.00001"|1100s AD[{{Cite book|last1=Nicolaisen|first1=W. F. H.|author-link1=W. F. H. Nicolaisen|year=1976|title=Scottish Place-names: Their Study and Significance|publisher=Batsford|page=131|isbn=0713432535}}]
|Cumbria
|Cumbrians |
| Curonian
|Indo-European
|data-sort-value="1500.00001"|1500s AD[{{Cite encyclopedia|last=Haarmann|first=Harald|author-link=Harald Haarmann|editor-last=Okuka|editor-first=Miloš|editor-link=Miloš Okuka|encyclopedia=Lexikon der Sprachen des europäischen Ostens|title=Kurisch|trans-title=Curonian|url=http://eeo.uni-klu.ac.at/index.php?title=Kurisch|access-date=4 September 2023|language=de|year=2002|publisher=Wieser|series=Wieser Enzyklopaedie des europäischen Ostens|volume=10|location=Klagenfurt, Austria|isbn=3851295102|oclc=610229982|pages=957|archive-url=https://web.archive.org/web/20131019173036/http://eeo.uni-klu.ac.at/index.php?title=Kurisch|archive-date=19 October 2013|url-status=dead}}]
|Courland
|Curonians |
| Dacian
|Indo-European
|data-sort-value="500.00001"|500s AD[{{cite web|url=http://multitree.org/codes/xdc|archive-url=https://archive.today/20141230224410/http://multitree.org/codes/xdc|url-status=dead|publisher=LINGUIST List|archive-date=30 December 2014|title=Dacian|access-date=2024-01-29|quote=1st Millennium BC - 500 AD.}}]
|Dacia
|Dacians |
| Dalmatian
|Indo-European
|data-sort-value="1898.0610"|10 June 1898[{{Cite book|last1=Roegiest|first1=Eugeen|year=2006|title=Vers les sources des langues romanes: un itinéraire linguistique à travers la Romania|language=fr|publisher=Acco|page=138|isbn=9033460947}}]
|Dalmatia
|Dalmatae |
| Dardanian
|Indo-European
|data-sort-value="_"|{{Data missing|date=September 2023}}
|Kingdom of Dardania
|Dardani |
| Deeside Gaelic
|Indo-European
|data-sort-value="1984.0318"|18 March 1984[{{Cite web|url=https://www.abdn.ac.uk/sll/disciplines/gaelic/gaelic-in-the-north-east-325.php|title=Gaelic in the North East | The School of Language, Literature, Music and Visual Culture | The University of Aberdeen|website=www.abdn.ac.uk}}]
|Aberdeenshire
|Gaels of Aberdeenshire |
| East Sutherland Gaelic
|Indo-European
|data-sort-value="2020.00001"|2020[{{cite news|title=Wilma Ros, Eurabol, air bàsachadh|url=https://www.bbc.com/naidheachdan/42150024|language=Scottish Gaelic|access-date=1 November 2024|work=BBC|date=28 November 2017}}][{{cite web|title=ROSS|url=https://www.northern-times.co.uk/family-notices/death-notices/ross-aa110327-v1-27/|website=Northern Times|access-date=1 November 2024|date=2020}}]
|Sutherland
|Gaels, Scottish people |
| Eastern Navarrese
|Basque {{Small|(language isolate)}}
|data-sort-value="1991.0000"|1991[{{cite web|url=http://www.ahotsak.com/euskalkiak/ekialdeko-nafarra/ |archive-url=https://web.archive.org/web/20140110144504/http://www.ahotsak.com/euskalkiak/ekialdeko-nafarra/ |url-status=dead |archive-date=10 January 2014 |title=Ekialdeko nafarra (Euskalkia) |language=Basque |access-date=2024-04-06 }}]
|Navarre
|Basques |
| Ebro Valley Aragonese
|Indo-European
|data-sort-value="1600.00001"|1600s AD[{{Cite book |last1=Conte |first1=Anchel |title=El aragonés: identidad y problemática de una lengua |last2=Cortes |first2=Chorche |last3=Martinez |first3=Antonio |last4=Nagore |first4=Francho |last5=Vazquez |first5=Chesus |publisher=Librería General |year=1977 |isbn=9788470780226}}]
|Ebro Valley
|Aragonese |
| Eiderstedt Frisian
|Indo-European
|data-sort-value="1850.00001"|mid-1800s AD[{{cite journal |first=Ove |last=Rogby |title=Niederdeutsch auf friesischem Substrat |journal=Studia Germanistica Upsaliensia |year=1967 |issue=5 |page=19 |language=de}}]
|Eiderstedt
|Eiderstedt Frisians |
| Elymian
|Indo-European
|data-sort-value="-500.00001"|500–0s BC[{{cite web|title=Elymian |url=http://multitree.org/codes/xly |archive-url=https://archive.today/20150103044307/http://multitree.org/codes/xly |url-status=dead |publisher=LINGUIST List |archive-date=3 January 2015 |access-date=15 May 2024 |quote=2nd half of 1st Millennium BC.}}]
|Western Sicily
|Elymians |
| Eteocretan
|Unclassified
|data-sort-value="-200.00001"|200s BC[{{cite web|title=Eteocretan |url=http://multitree.org/codes/ecr |archive-url=https://archive.today/20150418173353/http://multitree.org/codes/ecr |url-status=dead |publisher=LINGUIST List |archive-date=18 April 2015 |access-date=24 April 2024 |quote=An ancient language of Crete, 4th-3rd centuries BC.}}]
|Crete
|Eteocretans |
| Eteocypriot
|Unclassified
|data-sort-value="-300.00001"|300s BC[{{Cite web|url=http://multitree.org/codes/ecy|archive-url=https://archive.today/20150217100336/http://multitree.org/codes/ecy|url-status=dead|archive-date=17 February 2015|title=Eteocypriot - MultiTree|publisher=LINGUIST List|access-date=4 September 2023|quote=An ancient language of Cyprus, up to 4th C BC.}}]
|Cyprus
|Eteocypriots |
| Etruscan
|Tyrsenian
|data-sort-value="0.00001"|0s AD[{{cite book |last=Rix |first=Helmut |author-link=Helmut Rix |editor-last=Woodard |editor-first=Roger D. |date=2004 |url=https://archive.org/details/cambridgeencyclo0000unse_t8o9 |url-access=registration |chapter=Etruscan |chapter-url=https://archive.org/details/cambridgeencyclo0000unse_t8o9/page/944 |title=The Cambridge Encyclopedia of the World's Ancient Languages |language=en |publication-place=Cambridge |publisher=Cambridge University Press |pages=943–966 |isbn=978-0-521-56256-0}}]
|Etruria
|Etruscans |
| Faliscan
|Indo-European
|data-sort-value="-100.00001"|100s BC[{{cite web|title=Faliscan |url=http://multitree.org/codes/xfa |archive-url=https://archive.today/20140301160604/http://multitree.org/codes/xfa |url-status=dead |publisher=LINGUIST List |archive-date=1 March 2014 |access-date=24 April 2024 |quote=650 - 100 BC.}}]
|Northern Lazio
|Falisci |
| Fingallian
|Indo-European
|data-sort-value="1840.00001"|1840–1860s{{citation needed|date=November 2024}}
|Fingal
|Fingallians |
| Franco-Italian
|Indo-European
|data-sort-value="1300.00001"|1300s AD[{{cite web|url=https://dizionaripiu.zanichelli.it/cultura-e-attualita/le-parole-del-giorno/parola-del-giorno/francoveneto/|date=27 October 2024|title=francoveneto|publisher=Zanichelli DizionariPiù: La lingua, il sapere, la cultura|access-date=24 October 2024|language=Italian}}]
|Northern Italy
|North Italian writers |
| Gallaecian
|Indo-European
|data-sort-value="_"|{{Data missing|date=September 2023}}
|Gallaecia
|Gallaeci |
| Galwegian Gaelic
|Indo-European
|data-sort-value="1760.00001"|1760 AD[{{cite web|url=https://dgnhas.org.uk/sites/default/files/transactions/3084.pdf#page=70|editor-last1=Kennedy|editor-first1=Elaine|editor-last2=Toolis|editor-first2=Francis|year=2010|title=Transactions of the Dumfriesshire and Galloway Natural History and Antiquarian Society|access-date=30 June 2024|quote=The last native Gaelic speaker was said to be Margaret McMurray of Cultezron, near Maybole, who died at an advanced age in 1760}}]
|Galloway
|Galwegian Gaels |
| Gaulish
|Indo-European
|data-sort-value="500.00001"|500s AD[{{Citation|last=Stifter|first=David|title=Old Celtic Languages (lecture notes)|url=http://rootsofeurope.ku.dk/kalender/arkiv_2012/celtic_spring/|publisher=University of Kopenhagen|year=2012}}]
|Gaul
|Gauls |
| Gelonian
|Indo-European
|data-sort-value="_"|{{Data missing|date=November 2024}}
|Gallaecia
|Vorskla |
| Gepidian
|Indo-European
|data-sort-value="600.00001"|600s AD[{{cite web|title=Gepid|url=http://multitree.org/codes/1el.html|archive-url=https://web.archive.org/web/20120813201646/http://multitree.org/codes/1el.html|url-status=dead|publisher=LINGUIST List|archive-date=13 August 2012|access-date=13 June 2025|quote=260 AD- 600 AD.}}]
|Kingdom of the Gepids
|Gepids |
| Golyad
|Indo-European
|data-sort-value="1100.00001"|1100s AD[{{cite web|title=Балтийские языки|language=Russian|access-date=13 November 2024|url=http://lingvarium.org/eurasia/IE/balt.shtml|website=lingvarium.org}}]
|Protva basin
|Eastern Galindians |
| Gothic
|Indo-European
|data-sort-value="1700.00001"|1700s AD[{{cite web| title=The Corpus of Crimean Gothic| author=Todd B. Krause and Jonathan Slocum| publisher=University of Texas at Austin| url=http://www.utexas.edu/cola/centers/lrc/eieol/gotol-10-R.html| access-date=February 6, 2008| archive-url=https://web.archive.org/web/20070302065118/http://www.utexas.edu/cola/centers/lrc/eieol/gotol-10-R.html| archive-date=March 2, 2007| url-status=dead}}]
|Throughout Europe
|Goths |
| Harlingerland Frisian
|Indo-European
|data-sort-value="1700.00001"|1700s AD[{{cite book|last1=Munske|first1=Horst Haider|url=https://books.google.com/books?id=TVEhAAAAQBAJ&pg=PA432|title=Handbuch des Friesischen / Handbook of Frisian Studies|last2=Århammar|first2=Nils|last3=Faltings|first3=Volker F.|last4=Hoekstra|first4=Jarich F.|last5=Vries|first5=Oebele|last6=Walker|first6=Alastair G. H.|last7=Wilts|first7=Ommo|date=2024-11-28|publisher=Walter de Gruyter|isbn=978-3-11-094692-5|pages=432|language=de}}]
|Harlingerland
|East Frisians |
| Hernican
|Indo-European
|data-sort-value="-1000.00001"|1000–0s BC[{{cite web|url=http://www.multitree.org/codes/xhr.html|archive-url=https://web.archive.org/web/20190605214523/http://www.multitree.org/codes/xhr.html|url-status=dead|publisher=LINGUIST List|archive-date=5 June 2019|title=Hernican|access-date=2024-03-24|quote=Two inscriptions identified thus far, dating to first millennium BC.}}]
|Southeast Latium
|Hernici |
| Herulian
|Indo-European
|data-sort-value="500.00001"|after 500s AD{{citation needed|date=November 2024}}
|Middle Danube
|Heruli |
| Hiberno-Latin
|Indo-European
|data-sort-value="1100.00001"|1100s AD[{{cite web|author=Charles D. Wright|url=https://www.researchgate.net/publication/345655209_Hiberno-Latin_Literature|title=Hiberno-Latin Literature|website=ResearchGate|access-date=2024-12-09|date=February 2018}}]
|Ireland
|Irish monks |
| Hunnic
|Unclassified
|data-sort-value="400.00001"|400s AD[{{cite book|last1=Waldman|first1=Carl|last2=Mason|first2=Catherine|date=2006|title=Encyclopedia of European Peoples|page=393|quote=time period:Fourth to fifth century c.E.}}]
|Hunnic Empire
|Huns |
| Iazychie
|Indo-European
|data-sort-value="1900.00001"|1900s[{{Cite book |last=Magocsi |first=Paul R. |url=https://www.worldcat.org/oclc/929239528 |title=With their backs to the mountains: a history of Carpathian Rus' and Carpatho-Rusyns |date=2015 |publisher=Central European University Press |isbn=978-963-386-107-3 |location=Budapest |oclc=929239528}}]
|Halychyna, Bukovina, Zakarpattia
|Ukrainian and Carpatho-Rusyn Moskvophiles |
| Iberian
|Unclassified
|data-sort-value="1.00001"|0–500s AD[{{cite web|url=http://multitree.org/codes/xib|archive-url=https://archive.today/20150117205227/http://multitree.org/codes/xib|url-status=dead|publisher=LINGUIST List|archive-date=17 January 2015|title=Iberian|access-date=2024-01-30|quote=2nd half of 1st Millennium BC - 1st half of 1st Millennium AD.}}]
|Iberia
|Iberians |
| Illyrian
|Indo-European
|data-sort-value="100.00001"|100s AD[{{Cite book|last1=Fol|first1=Alexander|author-link1=Alexander Fol|year=2002|title=Thrace and the Aegean: Proceedings of the Eighth International Congress of Thracology, Sofia - Yambol, 25–29 September, 2000|volume=1|publisher=International Foundation Europa Antiqua|page=225|isbn=9549071456}}]
|Illyria
|Illyrians |
| Istrian Albanian
|Indo-European
|data-sort-value="1800.00001"|1800s AD[{{cite web|first=Lauren|last=Simmonds|title=A Brief History Of The Extinct Istrian-Albanian Language|url=https://total-croatia-news.com/lifestyle/istrian-albanian-language/|date=11 May 2023|access-date=30 April 2024 |quote=...the Istrian-Albanian language ”died” in the nineteenth century}}]
|Istria
|Istrian Albanians |
| Jassic
|Indo-European
|data-sort-value="1400.00001"|1400s AD[{{cite web|title=Yassic |url=http://multitree.org/codes/ysc |archive-url=https://archive.today/20141223133610/http://multitree.org/codes/ysc |url-status=dead |publisher=LINGUIST List |archive-date=23 December 2014 |access-date=24 April 2024 |quote=15th century AD?}}]
|Jászság
|Jász |
| Judaeo-Aragonese
|Indo-European
|data-sort-value="1492.00001"|after 1492 AD{{citation needed|date=November 2024}}
|Aragon
|Aragonese Jews |
| Judaeo-Catalan
|Indo-European
|data-sort-value="1492.00001"|after 1492 AD{{citation needed|date=November 2024}}
|Catalan Countries
|Catalonian Jews |
| Judaeo-Piedmontese
|Indo-European
|data-sort-value="_"|{{Data missing|date=September 2023}}
|Piedmont
|Piedmontese Jews |
| Judaeo-Portuguese
|Indo-European
|data-sort-value="1801.00001"|1800–1820s AD[{{cite web|date=July 10, 2018|title= Ladino's Lost Sibling|url=https://selintoledo.medium.com/ladinos-lost-sibling-3a7b18beb03a|access-date=25 March 2024|website=Medium|quote=It’s estimated that it was still used until the beginning of the 19th century.}}]
|Portugal
|Portuguese Jews |
| Judeo-Livornese
|Indo-European
|data-sort-value="1962.08191"|After August 18, 1962{{citation needed|date=March 2025}}
|Livorno
|Livornese Jews |
| Judeo-Mantuan
|Indo-European
|data-sort-value="1900.00001"|20th century{{citation needed|date=March 2025}}
|Mantua
|Mantuan Jews |
| Judeo-Provençal
|Indo-European
|data-sort-value="1900.00001"|mid 20th-century[{{Cite book|last1=Nahon|first1=Peter|year=2023|title=Les parlers français des israélites du Midi|language=fr|publisher=ELiPhi|pages=177–179|isbn=978-2372760669}}]
|Provence
|Provençal Jews |
| Judeo-Venetian
|Indo-European
|data-sort-value="1900.00001"|1900s[{{cite web|last=Siporin|first=Steve|date=2001-10-24|title=Venice and the Jews|url=https://www.latimes.com/archives/la-xpm-2001-oct-24-fo-60928-story.html|access-date=2024-10-08|website=Los Angeles Times|quote=...the Jewish-Venetian dialect that survived into the 20th century.}}]
|Venice
|Venetian Jews |
| Kainuu Sámi
|Uralic
|data-sort-value="1700.00001"|1700s AD[{{Cite web|author=Irja Seurujärvi-Kar|year=2011|title="We Took Our Language Back" – The Formation of a Sámi Identity within the Sámi Movement and the Role of the Sámi Language from the 1960s until 2008|pages=39|quote=...Kainuu Sámi (used until 16th–18th century in the area of the Forest Sámi people in central Finland and in the Republic of Karelia).|access-date=1 October 2024|url=https://www.sgr.fi/uudetsivut/files/original/7d1d17af5f44977792645323e2215bab.pdf#page=19}}]
|Kainuu
|Kainuu Sámi |
| Karamanli Turkish
|Turkic
|data-sort-value="1800.00001"|1800s{{citation needed|date=December 2024}}
|Greece, Bulgaria, North Macedonia and Romania
|Karamanlides |
| Kemi Sámi
|Uralic
|data-sort-value="1900.00001"|by 1900s[{{cite web|url=http://www.lexvo.org/page/iso639-3/sjk |title=iso639-3/sjk |access-date=2024-05-16 |quote=Extinct now for over 100 years, few written examples of Kemi Sami survive.}}]
|Southern Finnish Lapland
|Kemi Sámi |
| Khazar
|Turkic
|data-sort-value="1100.00001"|1100s AD[{{cite web|title=Khazar |url=http://multitree.org/codes/zkz |archive-url=https://archive.today/20150204115307/http://multitree.org/codes/zkz |url-status=dead |publisher=LINGUIST List |archive-date=4 February 2015 |access-date=24 April 2024 |quote=6th - 12th century AD.}}]
|Khazar Khaganate
|Khazars |
| Klezmer-loshn
|Indo-European
|data-sort-value="1900.00001"|1900s{{citation needed|date=November 2024}}
|Eastern Europe
|Klezmorim |
| Knaanic
|Indo-European
|data-sort-value="1600.00001"|1600s AD[{{cite web|title=Knaanic |url=http://multitree.org/codes/czk |archive-url=https://archive.today/20150313071031/http://multitree.org/codes/czk |url-status=dead |publisher=LINGUIST List |archive-date=13 March 2015 |access-date=24 April 2024 |quote=c. 700 - 1600 AD.}}]
|Central Europe
|West Slavic Jews |
| Kraasna
|Uralic
|data-sort-value="1935.00001"|1935-1939 AD[{{cite web|url=http://www.lutsimaa.lv/Lutsimaa__Land_of_the_Ludza_Estonians/Who_are_the_Lutsis.html|title=Who are the Lutsis|publisher=Ludzīlazest|access-date=8 August 2024|quote=...the last speaker of Kraasna most likely died before World War II.}}]
|Krasnogorodsk
|Kraasna Estonians |
| Krevinian
|Uralic
|data-sort-value="1800.00001"|1800s AD[{{cite web|url=http://multitree.org/codes/zkv.html|archive-url=https://web.archive.org/web/20120926150707/http://multitree.org/codes/zkv.html|url-status=dead|publisher=LINGUIST List|archive-date=26 September 2012|title=Krevinian|access-date=2024-04-06|quote=Material from 15th-19th centuries AD.}}]
|Latvia
|Kreevins |
| Lachoudisch
|Indo-European
|data-sort-value="2022.00001"|2022 AD[{{cite news|first=Lili|last=Eylon|title=The Judenrein town that spoke Hebrew |url=https://blogs.timesofisrael.com/the-judenrein-town-that-spoke-hebrew|publisher=Times Of Israel|date=25 June 2022|quote=Indeed, by 1994, reportedly only 12 people used some 200 Lachoudish words. The dialect Lachoudish had its day; it is now extinct}}]
|Schopfloch
|Jews of Bavaria |
| Laiuse Romani
|Mixed Romani–Estonian
|data-sort-value="1940.00001"|1940s AD[{{Cite book|last=Smith|first=Norval|editor-last=Arends|editor-first=Jacque|editor2-last=Muysken|editor2-first=Pieter|editor3-last=Smith|editor3-first=Norval|chapter=An annotated list of creoles, pidgins, and mixed languages|title=Pidgins and Creoles: An Introduction|publisher=John Benjamins|year=1994}}]
|Laiuse
|Romani of Laiuse |
| Lanuvian
|Indo-European
|data-sort-value="-500.00001"|500s BC{{citation needed|date=November 2024}}
|Lanuvium
|Lanuvians |
| Leinster Irish
|Indo-European
|data-sort-value="_"|{{Data missing|date=December 2023}}
|Leinster
|Irish of Leinster |
| Leivu
|Uralic
|data-sort-value="1988.00001"|1988 AD[{{cite web|url=https://www.kirj.ee/public/Linguistica_Uralica/2010/issue_1/ling-2010-1-1-16.pdf|title=Linguistica Uralica, 2010. Quantity in Leivu|publisher=kirj.ee|access-date=27 July 2024|quote=The speaker Anton Bok was born in 1908. He lived in Pajuçsilla village. He was recorded in 1971 by Paulopriit Voolaine. His mother tongue was Leivu and he acquired Latvian at school. He has been called the last Leivu speaker; he died in 1988.}}]
|Gauja
|Gauja Estonians |
| Lemnian
|Tyrsenian
|data-sort-value="-400.00001"|400s BC[{{Cite web|url=http://multitree.org/codes/xle|archive-url=https://archive.today/20150423205348/http://multitree.org/codes/xle|url-status=dead|archive-date=23 April 2015|title=Lemnian - MultiTree|publisher=LINGUIST List|access-date=4 September 2023|quote=An ancient language of the Greek island of Lemnos. Until perhaps 400 BC.}}]
|Lemnos
|Lemnians |
| Lepontic
|Indo-European
|data-sort-value="-0.00001"|0s BC[{{Cite web|url=http://multitree.org/codes/xlp|archive-url=https://archive.today/20141226233921/http://multitree.org/codes/xlp|url-status=dead|archive-date=26 December 2014|title=Lepontic - MultiTree|publisher=LINGUIST List|access-date=4 September 2023|quote=c. 600 BC - 1 BC.}}]
|Cisalpine Gaul and Raetia
|Lepontii |
| Liburnian
|Indo-European
|data-sort-value="-199.00001"|200s BC-300s AD[{{cite web|url=http://multitree.org/codes/xli|archive-url=https://web.archive.org/web/20210927220843/http://multitree.org/codes/xli|url-status=dead|archive-date=27 September 2021|title=Liburnian|publisher=LINGUIST List|access-date=8 October 2024|quote=Roman period.}}]
|Liburnia
|Liburnians |
| Ligurian
|Unclassified
|data-sort-value="100.00001"|100s AD[{{Cite web|url=http://multitree.org/codes/xlg|archive-url=https://archive.today/20150103042307/http://multitree.org/codes/xlg|url-status=dead|archive-date=3 January 2015|title=Ligurian - MultiTree|publisher=LINGUIST List|access-date=4 September 2023|quote=300 BC- 100 AD.}}]
|Liguria
|Ligures |
| Locrian Greek
|Indo-European
|data-sort-value="_"|{{Data missing|date=September 2023}}
|Locris
|Locrians |
| Lombardic
|Indo-European
|data-sort-value="800.00001"|800s AD[{{Cite web|url=http://multitree.org/codes/lng|archive-url=https://web.archive.org/web/20210818153933/http://multitree.org/codes/lng|url-status=dead|archive-date=18 August 2021|title=Langobardic - MultiTree|publisher=LINGUIST List|access-date=8 April 2024|quote=4th - 9th century AD.}}]
|Pannonia and Italy
|Lombards |
| Ludza
|Uralic
|data-sort-value="2006.00001"|2006[{{cite web|url=http://www.lutsimaa.lv/Lutsimaa__Land_of_the_Ludza_Estonians/Language.html|website=lutsimaa.lv|title=Ludzī kīļ : The Lutsi Language|access-date=2024-06-13|quote=The last speaker of Lutsi, Nikolājs Nikonovs, died in 2006.}}] or 2014
|Latgale
|Ludza Estonians |
| Lusitanian
|Indo-European
|data-sort-value="100.00001"|100s AD[{{Cite web|url=http://multitree.org/codes/xls|archive-url=https://archive.today/20150118171944/http://multitree.org/codes/xls|url-status=dead|archive-date=18 January 2015|title=Lusitanian - MultiTree|publisher=LINGUIST List|access-date=4 September 2023|quote=2nd Century AD.}}]
|Lusitania
|Lusitanians |
| Malkh
|Northeast Caucasian
|data-sort-value="_"|{{Data missing|date=August 2024}}
|North Caucasus
|Malkh |
| Marsian
|Indo-European
|data-sort-value="-150.00001"|150s BC[{{Cite web|url=http://multitree.org/codes/ims|archive-url=https://archive.today/20150414071542/http://multitree.org/codes/ims|url-status=dead|archive-date=14 April 2015|title=Marsian - MultiTree|publisher=LINGUIST List|access-date=4 September 2023|quote=300-150 BC.}}]
|Marsica
|Marsi |
| Marrucinian
|Indo-European
|data-sort-value="-200.00001"|200s BC[{{cite web|title=Marrucinian |url=http://multitree.org/codes/umc |archive-url=https://archive.today/20150203101821/http://multitree.org/codes/umc |url-status=dead |publisher=LINGUIST List |archive-date=3 February 2015 |access-date=24 April 2024 |quote=The tablet seems to have dated to the mid 3rd century BC.}}]
|Chieti
|Marrucini |
| Merya
|Uralic
|data-sort-value="1700.00001"|by 1700s AD[{{cite journal|last=Pauli|first=Rahkonen|date=2013|page=2|language=Finnish|publisher=Academia.edu|issue=2|journal=Virittäjä|title=Itämerensuomalaisten kielten kaakkoinen kontaktialue nimistöntutkimuksen valossa|url=https://www.academia.edu/57470755}}]
|Upper Volga region
|Meryans |
| Meshchera
|Uralic
|data-sort-value="1500.00001"|1500s AD[{{cite book|last1=Waldman|first1=Carl|last2=Mason|first2=Catherine|date=2006|title=Encyclopedia of European Peoples|page=521|quote=time period:Ninth to 16th century c.E.}}]
|Meshchera Lowlands
|Meshchera |
| Messapic
|Indo-European
|data-sort-value="-100.00001"|100s BC[{{Cite book|last1=Joseph|first1=Brian|author-link1=Brian Joseph|last2=Klein|first2=Jared|last3=Wenthe|first3=Mark|last4=Fritz|first4=Matthias|date=11 June 2018|title=Handbook of Comparative and Historical Indo-European Linguistics|volume=3|publisher=De Gruyter|pages=1839–1840|isbn=978-3110542431}}]
|Salento
|Messapians |
| Southern Goesharde Frisian
|Indo-European
|data-sort-value="1981.00001"|1981[{{cite news |first=Nils |last=Århammar |title=Das Nordfriesische, eine bedrohte Minderheitensprache in zehn Dialekten: eine Bestandsaufnahme |language=de |editor-first=Horst Haider |editor-last=Munske | work= Sterben die Dialekte aus? Vorträge am Interdisziplinären Zentrum für Dialektforschung an der Friedrich-Alexander-Universität Erlangen-Nürnberg |date=October–December 2007 |publisher=University of Erlangen-Nuremberg}}]
|Southern Goesharde
|Frisians of South Goesharde |
| Minoan
|Unclassified
|data-sort-value="-1450.00001"|1450s BC[{{Cite web|url=http://multitree.org/codes/omn|archive-url=https://archive.today/20150103044431/http://multitree.org/codes/omn|url-status=dead|archive-date=3 January 2015|title=Minoan - MultiTree|publisher=LINGUIST List|access-date=4 September 2023|quote=Circa 1800 and 1450 BC.}}]
|Crete
|Minoans |
| Moselle Romance
|Indo-European
|data-sort-value="1000.00001"|1000s AD[{{cite journal |last=Post |first=Rudolf |year=2004 |title=Zur Geschichte und Erforschung des Moselromanischen |journal=Rheinische Vierteljahrsblätter |volume=68 |pages=1–35 |issn=0035-4473 |url=http://digitale-sammlungen.ulb.uni-bonn.de/download/pdf/5263505}}]
|The Moselle
|People along the Moselle |
| Muromian
|Uralic
|data-sort-value="900.00001"|900s AD[{{Cite book |last=Blokland |first=Rogier |title=The Endangered Uralic Languages |publisher=John Benjamins Publishing Company |year=2003 |isbn=9027247528 |location=Amsterdam |pages=108}}]
|Oka basin
|Muromians |
| Mycenaean Greek
|Indo-European
|data-sort-value="-1200.00001"|1200s BC[{{cite web|title=FROM PROTO-INDO-EUROPEAN TO MYCENAEAN GREEK:A PHONOLOGICAL STUDY |archive-url=https://web.archive.org/web/20240512013436/https://d1wqtxts1xzle7.cloudfront.net/105223994/From_Proto_Indo_European_to_Mycenaean_Greek_A_Phonological_Study_2_fin-libre.pdf?1692789315=&response-content-disposition=inline%3B+filename%3DFrom_Proto_Indo_European_to_Mycenaean_Gr.pdf&Expires=1715480334&Signature=TeKFtz9EIeDWFhhpHXfi7il5nK-7RO7yD0kONPHQsJ99aD4O7PFjAGzzm2l3wLlCT2Mgifon6Wjsl0AUoM5P02LbP02VlUyxSYXZrzbchsOD5iQD5gletwvXV9q1sfKWaX0-tnW0C0iBgPW~ST4gPmKMovML8SQPYZvzRYkyJW4D3oxQFcUP5c1Ypi96N~nmFvjvPRopyNMeaKokaMtKGLrZiMjvrIlHU9BcKLsLcKlvzvhjhdvaiR1XIdxt3mTyAGVNm1WcnO1wiMsI-tZvKU8bfYO-2eUXNEMLY1zp0QxhXMnrRgIPOodTnG0fX3FOmNRCvgUQyknElgoKB~0A~g__&Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA|url=https://d1wqtxts1xzle7.cloudfront.net/105223994/From_Proto_Indo_European_to_Mycenaean_Greek_A_Phonological_Study_2_fin-libre.pdf?1692789315=&response-content-disposition=inline%3B+filename%3DFrom_Proto_Indo_European_to_Mycenaean_Gr.pdf&Expires=1715480334&Signature=TeKFtz9EIeDWFhhpHXfi7il5nK-7RO7yD0kONPHQsJ99aD4O7PFjAGzzm2l3wLlCT2Mgifon6Wjsl0AUoM5P02LbP02VlUyxSYXZrzbchsOD5iQD5gletwvXV9q1sfKWaX0-tnW0C0iBgPW~ST4gPmKMovML8SQPYZvzRYkyJW4D3oxQFcUP5c1Ypi96N~nmFvjvPRopyNMeaKokaMtKGLrZiMjvrIlHU9BcKLsLcKlvzvhjhdvaiR1XIdxt3mTyAGVNm1WcnO1wiMsI-tZvKU8bfYO-2eUXNEMLY1zp0QxhXMnrRgIPOodTnG0fX3FOmNRCvgUQyknElgoKB~0A~g__&Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA |url-status=live |archive-date=12 May 2024 |access-date=24 April 2024 |quote=... no tablets or any other inscribed vessels were found from ca. 1200 BC onwards.}}]
|Mycenaean Greece
|Mycenaean Greeks |
| Mysian
|Indo-European
|data-sort-value="-0.00001"|0s BC[{{cite web|url=http://multitree.org/codes/yms|archive-url=https://web.archive.org/web/20220216014714/http://multitree.org/codes/yms|url-status=dead|archive-date=16 February 2022|title=Mysian|publisher=LINGUIST List|access-date=2025-02-03|quote=Before 1st Century AD.}}]
|Balkans
|Mysians |
| Navarrese Romance
|Indo-European
|data-sort-value="1600.00001"|1600s AD{{citation needed|date=June 2025}}
|Kingdom of Navarre
|Navarrese |
| Noric
|Indo-European
|data-sort-value="100.00001"|100s AD[{{cite web|url=http://www.lexvo.org/page/iso639-3/nrc|title=iso639-3/nrc|access-date=2024-02-27|quote=An ancient language, spoken in the Balkans from the 4th century BC - ca. 100 AD.}}]
|Noricum
|Norici |
| Norn
|Indo-European
|data-sort-value="1850"|1850 AD[North-western European language evolution: NOWELE, vols. 50–51 (Odense University Press, 2007), p. 240]
|Northern Isles and Caithness
|Norse settlement of Northern Isles and Caithness |
| North Picene
|Unclassified
|data-sort-value="-1000.00001"|1000–0s BC[{{cite web|url=http://linguistlist.org/forms/langs/LLDescription.cfm?code=nrp|archive-url=https://web.archive.org/web/20091225002446/http://linguistlist.org/forms/langs/LLDescription.cfm?code=nrp|url-status=dead|archive-date=25 December 2009|title=The North Picene Language|publisher=LINGUIST List|access-date=24 July 2024|quote=1st millennium BC.}}]
|North Picenum
|North Picentes |
| Northern Manx
|Indo-European
|data-sort-value="1940.00001"|1940s AD[The Cambridge Encyclopedia of Language (David Crystal, editor); Cambridge University Press, 1987; p. 303: "The Isle of Man was wholly Manx-speaking until the 18th century... the last mother-tongue speakers died in the late 1940s"]
|Northern part of the Isle of Man
|Northern Manx |
| Oenotrian
|Indo-European
|data-sort-value="-400.00001"|400s BC[{{cite web|author=Matteo Calabrese|title=The sacred law from Tortora|url=https://www.academia.edu/64344624|website=Academia.edu|date=2021|issue=2|volume=80|access-date=2024-10-10|pages=281–339|quote=Datable between the end of the 6th and the beginning of the 5th century B.C., the inscription from Tortora is an Oenotrian text,}}]
|Southern Italy
|Oenotrians |
| Old Novgorod
|Indo-European
|data-sort-value="1500.00001"|1500s AD[{{cite web|url=https://www.proquest.com/openview/db53a5b7cff24839278d5c0b11b31873/1?cbl=18750&diss=y&pq-origsite=gscholar&parentSessionId=Iy4r%2FVspDoQlcsXFs2PCtRg0yTESRpnpPRW%2BYG52q8g%3D|title=A HISTORY OF THE PRONOMINAL DECLENSION IN THE NOVGOROD DIALECT OF OLD RUSSIAN FROM THE ELEVENTH-CENTURY TO THE SIXTEENTH-CENTURY.|website=ProQuest |access-date=2024-04-09|quote=the 11th century, to the end of the 15th century}}]
|Novgorod Republic
|Novgorodians |
| Old Prussian
|Indo-European
|data-sort-value="1700.00001"|1700s AD[{{cite book|last=Young|first=Steven|year=2008|chapter=Baltic|editor-last=Kapović|editor-first=Mate|title=The Indo-European Languages|location=London|publisher=Routledge|pages=486–518|isbn=978-03-6786-902-1}}]
|Prussia
|Old Prussians |
| Old Riojan
|Indo-European
|data-sort-value="1200.00001"|1200s AD{{citation needed|date=June 2025}}
|La Rioja
|Riojans |
| Oscan
|Indo-European
|data-sort-value="0.00001"|0s AD[{{cite journal |last=Schrijver |first=Peter |title=Oscan love of Rome |journal=Glotta |date=2016 |volume=92 |issue=1 |pages=223–226 |doi=10.13109/glot.2016.92.1.223 |url=https://www.academia.edu/38399969 |issn=0017-1298}} Page 2 in the online version.]
|Campania and Latium adiectum
|Osci |
| Paelignian
|Indo-European
|data-sort-value="-100.00001"|100s BC[{{cite web|title=Paelignian |url=http://multitree.org/codes/pgn.html |archive-url=https://web.archive.org/web/20200323183525/http://multitree.org/codes/pgn.html |url-status=dead |publisher=LINGUIST List |archive-date=23 March 2020 |access-date=24 April 2024 |quote=Very few inscriptions exist, all from the 1st century BC.}}]
|Valle Peligna
|Paeligni |
| Paeonian
|Indo-European
|data-sort-value="_"|{{Data missing|date=September 2023}}
|Paeonia
|Paeonians |
| Paleo-Corsican
|Unclassified
|data-sort-value="_"|{{Data missing|date=September 2023}}
|Corsica
|Ancient Corsi |
| Paleo-Sardinian
|Unclassified
|data-sort-value="100.00001"|100s AD{{citation needed|date=November 2024}}
|Sardinia
|Nuragic peoples |
| Pamphylian Greek
|Indo-European
|data-sort-value="_"|{{Data missing|date=September 2023}}
|Pamphylia
|Pamphylians |
| Pannonian Avar
|Unclassified
|data-sort-value="600.00001"|600s AD{{citation needed|date=November 2024}}
|Pannonian Basin
|Pannonian Avars |
| Pannonian Romance
|Indo-European
|data-sort-value="1100.00001"|1100s AD[{{cite book|author=Alexandru Magdearu|title=Românii în opera Notarului Anonim|editor=Centrul de Studii Transilvane, Bibliotheca Rerum Transsylvaniae|language=Romanian|volume=27|date=2001}}]
|Pannonia
|Latin Pannonians |
| Pantellerian Arabic
|Afroasiatic
|data-sort-value="1700.00001"|1700s AD{{citation needed|date=June 2025}}
|Pantelleria
|Pantellerians |
| Pecheneg
|Turkic
|data-sort-value="1100.00001"|1100s AD[{{cite web|title=Pecheneg |url=http://multitree.org/codes/xpc |archive-url=https://archive.today/20150313064857/http://multitree.org/codes/xpc |url-status=dead |publisher=LINGUIST List |archive-date=13 March 2015 |access-date=24 April 2024 |quote=7th - 12th centuries AD.}}]
|Eastern Europe
|Pechenegs |
| Pelasgian
|Unclassified
|data-sort-value="_"|{{Data missing|date=September 2023}}
|Aegean Islands
|Pelasgians |
| Phrygian
|Indo-European
|data-sort-value="401.00001"|after 400 AD[{{cite book|last1=Swain|first1=Simon|title=Bilingualism in Ancient Society: Language Contact and the Written Word|last2=Adams|first2=J. Maxwell|last3=Janse|first3=Mark|publisher=Oxford University Press|year=2002|isbn=0-19-924506-1|location=Oxford [Oxfordshire]|pages=252|quote=The last mention of Phrygian in use dates from the fifth century AD.}}]
|Balkans
|Bryges |
| Pictish
|Indo-European
|data-sort-value="1000.00001"|1000s AD[{{Cite book|last1=Wormald|first1=Jenny|author-link1=Jenny Wormald|date=25 August 2005|title=Scotland: A History|publisher=Oxford University Press|pages=28–32|isbn=0198206151}}]
|Northern Scotland
|Picts |
| Polabian
|Indo-European
|data-sort-value="1756.1003"|3 October 1756 AD[{{citation |first=Mate |last=Kapović |author-link=Mate Kapović |title=Uvod u indoeuropsku lingvistiku |trans-title=An introduction to Indo-European linguistics |location=Zagreb |publisher=Matica hrvatska |year=2008 |isbn=978-953-150-847-6 |lang=hr |page=109}}]
|Northeastern Germany
|Polabian Slavs |
| Pomeranian Baltic
|Indo-European
|data-sort-value="-1000.00001"|1st millenium BC[{{cite web|title=Балтийские языки|language=Russian|access-date=28 March 2025|url=http://lingvarium.org/eurasia/IE/balt.shtml|website=lingvarium.org}}]
|Baltic Pomerania
|Pomeranian Balts |
| Praenestinian
|Indo-European
|data-sort-value="-500.00001"|500s BC{{citation needed|date=November 2024}}
|Palestrina
|Praenestinians |
| Prague German
|Indo-European
|data-sort-value="1946.00001"|after 1945{{citation needed|date=March 2025}}
|Prague
|Prague Germans |
| Pre-Samnite
|Indo-European
|data-sort-value="-500.0000"|500s BC[{{cite journal|last1=Piwowarczyk|first1=Dariusz R.|title=Formations of the perfect in the Sabellic languages with the Italic and Indo-European background|journal=Studia Linguistica Universitatis Iagellonicae Cracoviensis|date=2011|issue=128|page=105|access-date=2024-10-10|quote=...and Pre-Samnite (500 BC).|url=https://filg.uj.edu.pl/documents/41616/8969068/12806-Piwowarczyk.pdf}}]
|Campania
|Pre-Samnites |
| Punic
|Afroasiatic
|data-sort-value="600.00001"|600s AD[{{cite web|url=http://multitree.org/codes/xpu|archive-url=https://web.archive.org/web/20110811122641/http://multitree.org/codes/xpu|url-status=dead|publisher=LINGUIST List|archive-date=11 August 2011|title=Punic|access-date=2024-02-26|quote=1st Millennium BC - 600 AD.}}]
|Iberia, Malta, Sicily, Sardinia and the Balearic Islands
|Carthaginians |
| Rhaetic
|Tyrsenian
|data-sort-value="-0.00001"|0s BC[{{cite web|url=https://tir.univie.ac.at/wiki/Script#Raetic_script|publisher=Thesaurus Inscriptionum Raeticarum|title=Script |quote=Magrè-alphabet finds dated to the middle and/or late La Tène period, apart from the above-mentioned ones from the area of Verona, are the Magrè antler pieces, the inscriptions from Bostel, IT-2 from the Inntal, and the Trissino bones. IT-4 is dated by context and may be older than the 1st century BC.|access-date=2024-06-04}}]
|Raetia
|Raeti |
| Rotvælsk
|Indo-European
|data-sort-value="1900.00001"|1900s[Bakker, P. & Nielsen, F.S., 2011. Goddeis genter! Mål & mæle, 34(1), pp.13–18.]
|Denmark
|Natmændsfolk |
| Rugian
|Indo-European
|data-sort-value="_"|{{Data missing|date=September 2023}}
|Lower Austria
|Rugii |
| Russenorsk
|Russian–Norwegian pidgin
|data-sort-value="1900.00001"|1900s[{{Cite web|url=http://faculty.washington.edu/wassink/2010%20sketches/Russenorsk.pdf|title=Russenorsk – A Language Sketch|access-date=2011-11-02|archive-url=https://web.archive.org/web/20170108001735/http://faculty.washington.edu/wassink/2010%20sketches/Russenorsk.pdf|archive-date=2017-01-08}}]
|Northern Norway
|Pomors and Norwegians |
| Sabine
|Indo-European
|data-sort-value="-299.00001"|300s-200s BC[{{cite web|url=http://multitree.org/codes/sbv|archive-url=https://archive.today/20150417075900/http://multitree.org/codes/sbv|url-status=dead|publisher=LINGUIST List|archive-date=17 April 2015|title=Sabine|access-date=2024-01-30|quote=Mid-first millennium BC, perhaps surviving as late as the 3rd or 2nd century BC.}}]
|Sabina
|Sabines |
| Sabir
|Romance-based Pidgin
|data-sort-value="1800.00001"|1800s AD[{{Cite book|title=The Lingua Franca|publisher=Natalie Operstein|year=2021}}]
|Mediterranean Basin
|Medieval traders and Crusaders |
| Selonian
|Indo-European
|data-sort-value="1500.00001"|1500s AD[{{cite web|title=Selonian |url=http://multitree.org/codes/sxl |archive-url=https://archive.today/20150412233902/http://multitree.org/codes/sxl |url-status=dead |publisher=LINGUIST List |archive-date=12 April 2015 |access-date=24 April 2024 |quote=Survived until 16th century.}}]
|Selonia
|Selonians |
| Semigallian
|Indo-European
|data-sort-value="1500.00001"|1500s AD[{{Cite web|url=http://www.blackwellreference.com/public/tocnode?id=g9780631220398_chunk_g978063122039831_ss1-2|title=Zemgalian : Encyclopedia of the Languages of Europe : Blackwell Reference Online|website=www.blackwellreference.com|access-date=2017-06-28}}]
|Semigallia
|Semigallians |
| Shirvani Arabic
|Afroasiatic
|data-sort-value="1850.00001"|1850–1890s AD{{citation needed|date=November 2024}}
|Shirvan
|Shirvani |
| Sicanian
|Unclassified
|data-sort-value="-300.00001"|by 300s BC[{{cite web|url=http://linguistlist.org/forms/langs/LLDescription.cfm?code=sxc|archive-url=https://web.archive.org/web/20091225003637/http://linguistlist.org/forms/langs/LLDescription.cfm?code=sxc|url-status=dead|archive-date=25 December 2009|title=The Sicanian Language|publisher=LINGUIST List|access-date=8 October 2024|quote=Pre-Roman times.}}]
|Central Sicily
|Sicani |
| Siculian
|Indo-European
|data-sort-value="-300.00001"|300s BC[{{Cite book|last1=Joseph|first1=Brian|author-link1=Brian Joseph|last2=Klein|first2=Jared|last3=Wenthe|first3=Mark|last4=Fritz|first4=Matthias|date=11 June 2018|title=Handbook of Comparative and Historical Indo-European Linguistics|volume=3|publisher=De Gruyter|pages=1854|isbn=978-3110542431}}]
|Eastern Sicily
|Sicels |
| Sidicini
|Indo-European
|data-sort-value="_"|{{Data missing|date=September 2023}}
|Sidicinum
|Sidicini |
| Skalvian
|Indo-European
|data-sort-value="1200.00001"|1200s AD{{citation needed|date=November 2024}}
|Scalovia
|Skalvians |
| Skirian
|Indo-European
|data-sort-value="_"|{{Data missing|date=September 2023}}
|North of the Middle Danube
|Sciri |
| Slovincian
|Indo-European
|data-sort-value="1900.00001"|1900s[{{Cite book|last1=Gilbers|first1=Dicky|last2=Schaeken|first2=Joe|last3=Nerbonne|first3=John|author-link3=John Nerbonne|year=2000|title=Languages in Contact|publisher=Rodopi|page=329|isbn=9042013222}}]
|Northwestern Kashubia
|Slovincians |
| Solombala English
|English–Russian pidgin
|data-sort-value="1800.00001"|1800s AD[{{cite journal|author1=Maticsák, Sándor|author2=Zaicz, Gábor|author3=Lahdelma, Tuomo|year=2001|title=REFLECTIONS ON THE VERB SUFFIX -OM IN RUSSENORSK AND SOME PRELIMINARY REMARKS ON "DOCKING" IN LANGUAGE CONTACT|journal=Folia Uralica Debreceniensia 8.|pages=315–324|url=https://d1wqtxts1xzle7.cloudfront.net/36788626/russenorsk2001-libre.pdf?1425006225=&response-content-disposition=inline%3B+filename%3DReflections_on_the_verb_suffix_om_in_Rus.pdf&Expires=1725018993&Signature=AHdN~DdIp6~BqODEbbXvgcH~JLejo5vhcjADPchUcvHpcl48u2JqDhCZGusS3AD2I6RMlKwppDArotRCcbiplj0W2vfjc4rMivg6hlFRL7rfZ84IWh29WZ6mhs-18Tz2qGVVrM3zmWTDOOyAonBtqaIzXaZskItmRupSgAGtB24pC3hQ4I3ZcxmbpvGCwP-OKlkneikvVSa~c8tSasfJbrtN3EP3qxpl70E-AAJFCHvHhmQ~6VYL0UjnHLpNVGp3P6B1KR3sen4gPeMg-WZh39T3IurpY4sUDSmbI3IV9AOnd5Z~YGfkSosA5qoni5SigavfumC974yF6ki0K6BSdg__&Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA|access-date=30 August 2024|quote=Solombala-English, first investigated2 by Broch (1996), probably developed during the “English period” in the history of the city of Archangel, from the eighteenth to the nineteenth century.}}]
|Solombala Shipyard
|English and Russian traders |
| Sorothaptic
|Indo-European
|data-sort-value="100.00001"|100s AD{{citation needed|date=January 2024}}
|Catalan Countries
|Urnfield culture |
| South Picene
|Indo-European
|data-sort-value="-300.00001"|300s BC[{{Cite web|url=http://multitree.org/codes/spx|archive-url=https://archive.today/20150309165331/http://multitree.org/codes/spx|url-status=dead|archive-date=9 March 2015|title=South Picene - MultiTree|publisher=LINGUIST List|access-date=4 September 2023|quote=6th century BC to 4th century BC.}}]
|South Picenum
|South Picentes |
| Sudovian
|Indo-European
|data-sort-value="1500.00001"|1500s AD[{{cite web|title=Sudovian |url=http://multitree.org/codes/xsv |archive-url=https://archive.today/20150308100724/http://multitree.org/codes/xsv |url-status=dead |publisher=LINGUIST List |archive-date=8 March 2015 |access-date=24 April 2024 |quote=Until 16th century?}}]
|Yotvingia
|Yotvingians |
| Suebian
|Indo-European
|data-sort-value="500.00001"|500s AD{{citation needed|date=December 2024}}
|Elbe basin and northwestern Iberia
|Suebi |
| Tartessian
|Unclassified
|data-sort-value="-100.00001"|100s BC[{{cite web|url=http://multitree.org/codes/txr|archive-url=https://archive.today/20121220222904/http://multitree.org/codes/txr|url-status=dead|publisher=LINGUIST List|archive-date=20 December 2012|title=Tartessian|access-date=2024-01-30|quote=c 700 BC - 100 BC.}}]
|Tartessos
|Tartessians |
| Thracian
|Indo-European
|data-sort-value="500.00001"|500s AD[{{Cite web|url=http://multitree.org/codes/txh|archive-url=https://archive.today/20141224211344/http://multitree.org/codes/txh|url-status=dead|archive-date=24 December 2014|title=Thracian - MultiTree|publisher=LINGUIST List|access-date=4 September 2023|quote=1st Millennium BC - 500 AD.}}]
|Thracia
|Thracians |
| Traveller Danish
|mixed Danish–Romani
|data-sort-value="1910.00011"|early 20th century[{{cite web|title=Traveller Danish|url=https://www.ethnologue.com/language/rmd|archive-url=https://web.archive.org/web/20190606091801/https://www.ethnologue.com/language/rmd|url-status=dead|publisher=Ethnologue|archive-date=6 June 2019 |access-date=21 June 2025|quote=Became extinct early in 20th century.}}]
|Denmark
|Romani |
| Ubykh
|Northwest Caucasian
|data-sort-value="1992.1007"|7 October 1992[{{cite book |author-first=E. F. K. |author-last=Koerner |title=First Person Singular III: Autobiographies by North American Scholars in the Language Sciences |url=https://books.google.com/books?id=-SYou4fhWUgC&pg=PA33 |date=1 January 1998 |publisher=John Benjamins Publishing |isbn=978-90-272-4576-2 |page=33 }}]
|Ubykhia
|Ubykh |
| Umbrian
|Indo-European
|data-sort-value="-0.00001"|0s BC[{{cite web|title=Umbrian |url=http://multitree.org/codes/xum |archive-url=https://archive.today/20150309165357/http://multitree.org/codes/xum |url-status=dead |publisher=LINGUIST List |archive-date=9 March 2015 |access-date=24 April 2024 |quote=Mid-first millennium BC, surviving as late as the 1st century BC.}}]
|Umbria
|Umbri |
| Upgant Frisian
|Indo-European
|data-sort-value="1650.00001"|mid-1600s{{citation needed|date=December 2024}}
|Upgant-Schott
|Frisians of Upgant-Schott |
| Valencian Aragonese
|Indo-European
|data-sort-value="1400.00001"|1400s AD{{citation needed|date=June 2025}}
|Kingdom of Valencia
|Valencians |
| Vandalic
|Indo-European
|data-sort-value="500.00001"|500s AD[{{cite book |last1=Hennings |first1=Thordis |title=Einführung in das Mittelhochdeutsche |date=2012 |publisher=De Gruyter |location=Berlin |isbn=978-3-11-025959-9 |page=26 |edition=3 |language=de |trans-title=Introduction to Middle High German}}]
|Vandal kingdoms
|Vandals |
| Värmland Savonian
|Uralic
|data-sort-value="1969.00001"|1969 AD[{{cite web|url=http://sokl.uef.fi/aineistot/aidinkieli/murteet/vermlant.html|title=Vermlannin savolaismurteet|access-date=2024-11-04|language=Finnish|website=sokl.uef.fi|date=1998|quote=Today, Vermland's Savo dialect is dead. The last forest Finns who spoke Finnish well were Johannes Johansson-Oinoinen aka Niittahon Jussi and Karl Persson. They died in 1965 and 1969.}}]
|Värmland
|Forest Finns |
| Venetic
|Indo-European
|data-sort-value="-0.00001"|0s BC[{{cite encyclopedia |last=Wallace |first=Rex |year=2004 |title=Venetic |editor-last=Woodard |editor-first=Roger D. |encyclopedia=The Cambridge Encyclopedia of the World's Ancient Languages |pages=840–856 |publisher=University of Cambridge |isbn=0-521-56256-2 |url=http://www.umass.edu/classics/wallace.htm |access-date=2 December 2023 |archive-date=8 December 2008 |archive-url=https://web.archive.org/web/20081208005230/http://www.umass.edu/classics/wallace.htm |url-status=dead }}]
|Veneto
|Adriatic Veneti |
| Vestinian
|Indo-European
|data-sort-value="-100.00001"|100s BC[{{Cite web|url=http://multitree.org/codes/xvs|archive-url=https://archive.today/20150309165333/http://multitree.org/codes/xvs|url-status=dead|archive-date=9 March 2015|title=Vestinian - MultiTree|publisher=LINGUIST List|access-date=4 September 2023|quote=250-100 BC.}}]
|Abruzzo
|Vestini |
| Volscian
|Indo-European
|data-sort-value="-200.00001"|200s BC[{{Cite web|url=http://multitree.org/codes/xvo|archive-url=https://archive.today/20150309165340/http://multitree.org/codes/xvo|url-status=dead|archive-date=9 March 2015|title=Volscian - MultiTree|publisher=LINGUIST List|access-date=4 September 2023|quote=3rd century BC.}}]
|Volscia
|Volsci |
| Wangerooge Frisian
|Indo-European
|data-sort-value="1950.1122"|22 November 1950[{{cite web|date=2024-11-08|title=Wezerfrysk hjoed 63 jier wei {{!}} It Nijs|url=https://www.itnijs.frl/2013/11/wezerfrysk-hjoed-63-jier-wei/|access-date=2024-10-08|language=fy}}]
|Wangerooge
|Wangerooge Frisians |
| Welsh Romani
|Indo-European
|data-sort-value="1950.00001"|1950 AD[{{cite web|url=http://www.lexvo.org/page/iso639-3/rmw|title=iso639-3/rmw |access-date=2024-06-25|quote=Welsh Romani is a variety of the Romani language which was spoken fluently in Wales until at least 1950.}}]
|Wales
|Romani |
| West Galindian
|Indo-European
|data-sort-value="1300.00001"|1300s AD[{{cite web|url=http://www.multitree.org/codes/xgl.html|archive-url=https://web.archive.org/web/20190605215551/http://www.multitree.org/codes/xgl.html|url-status=dead|publisher=LINGUIST List|archive-date=5 June 2019|title= Galindan|access-date=2024-10-01|quote=Until 14th century.}}]
|Prussia
|Western Galindians |
| Wursten Frisian
|Indo-European
|data-sort-value="1810.00001"|1810–1830s AD{{citation needed|date=November 2024}}
|Land Wursten
|Frisians of Land Wursten |
| Yola
|Indo-European
|data-sort-value="1800.00001"|1800s AD[{{Cite book|last1=Hickey|first1=Raymond|title=The Oxford Handbook of Irish English|year=2023|publisher=Oxford University Press|page=48|chapter=3.6.2 The Dialect of Forth and Bargy|quote=After a period of decline, it was replaced entirely in the early nineteenth century by general Irish English of the region.}}]
|Forth and Bargy
|Irish of Forth and Bargy |
| Zarphatic
|Indo-European
|data-sort-value="1300.00001"|1300s AD[{{Cite web |url=https://www.jewishlanguages.org/judeo-french |title=Judeo-French |access-date=2022-10-13 |website=Jewish Languages |last1=Kiwitt |first1=Marc |archive-url=https://web.archive.org/web/20221013152556/https://www.jewishlanguages.org/judeo-french |archive-date=2022-10-13 |url-status=live |publisher=Hebrew Union College – Jewish Institute of Religion |last2=Zwink |first2=Julia}}]
|Northern France and west-central Germany
|French Jews |