:1801 in Wales

• Lord Lieutenant of Anglesey – Henry Paget{{cite book|author=Edward Breese|title=Kalendars of Gwynedd; or, Chronological lists of lords-lieutenant [&c.] ... for the counties of Anglesey, Caernarvon, and Merioneth|year=1873|page=24}}{{cite book | author=J.C. Sainty | author-link=John Sainty (civil servant) | title=List of Lieutenants of Counties of England and Wales 1660-1974 | publisher=Swift Printers (Sales) Ltd | location=London | year=1979}}{{cite book | last = Nicholas | first = Thomas | title = Annals and antiquities of the counties and county families of Wales | publisher = Genealogical Pub. Co | location = Baltimore | year = 1991 | isbn = 9780806313146 | page=695}}{{cite book|title=Cylchgrawn Hanes Cymru|publisher=University of Wales Press|year=1992|page=169}}
• Lord Lieutenant of Brecknockshire and Monmouthshire – Henry Somerset, 5th Duke of Beaufort{{cite book| author=Edwin Poole|title=The Illustrated History and Biography of Brecknockshire from the Earliest Times to the Present Day: Containing the General History, Antiquities, Sepulchral Monuments and Inscriptions|publisher=Edwin Poole|year=1886|page=378}}
• Lord Lieutenant of Caernarvonshire – Thomas Bulkeley, 7th Viscount Bulkeley{{cite book|author=Edward Breese|title=Kalendars of Gwynedd; or, Chronological lists of lords-lieutenant [&c.] ... for the counties of Anglesey, Caernarvon, and Merioneth|year=1873|page=26}}
• Lord Lieutenant of Cardiganshire – Thomas Johnes
• Lord Lieutenant of Carmarthenshire – John Vaughan
• Lord Lieutenant of Denbighshire – Sir Watkin Williams-Wynn, 5th Baronet
• Lord Lieutenant of Flintshire – Robert Grosvenor, 1st Marquess of Westminster{{cite journal|journal=Old Wales: Monthly Magazine of Antiquities for Wales and the Borders|title=not known|author-link=William Retlaw Williams|publisher="Old Wales" Office|year=1907|volume=3|page=106}}
• Lord Lieutenant of Glamorgan – John Stuart, 1st Marquess of Bute{{cite book | last = Nicholas | first = Thomas | title = Annals and antiquities of the counties and county families of Wales | publisher = Genealogical Pub. Co | location = Baltimore | year = 1991 | isbn = 9780806313146 | page=612}}
• Lord Lieutenant of Merionethshire - Sir Watkin Williams-Wynn, 5th Baronet{{cite book|author=Edward Breese|title=Kalendars of Gwynedd; or, Chronological lists of lords-lieutenant [&c.] ... for the counties of Anglesey, Caernarvon, and Merioneth|year=1873|page=29}}
• Lord Lieutenant of Montgomeryshire – George Herbert, 2nd Earl of Powis (until 16 January); vacant until 1804
• Lord Lieutenant of Pembrokeshire – Richard Philipps, 1st Baron Milford{{cite DWB|id=s-PHIL-PIC-1491|title=Philipps family, of Picton|author=Bertie George Charles|date=1959|access-date=19 October 2021}}
• Lord Lieutenant of Radnorshire – Thomas Harley{{cite book|author=Jonathan Williams|title=The History of Radnorshire|publisher=R. Mason|year=1859|page=115}}

• Bishop of Bangor – William Cleaver{{cite book|author=Thomas Duffus Hardy|title=Fasti Ecclesiae Anglicanae: Or A Calendar of the Principal Ecclesiastical Dignitaries in England and Wales...|publisher=University Press|year=1854|page=305}}{{cite book|title=The Monthly Review Or Literary Journal Enlarged|publisher=Porter|year=1780|page=95}}{{cite book | last = Fryde | first = E. B. | title = Handbook of British chronology | publisher = New York Cambridge University Press | location = Cambridge England | year = 1996 | isbn = 9780521563505 |page=292}}
• Bishop of Llandaff – Richard Watson{{cite book|author=John Henry James|title=A History and Survey of the Cathedral Church of SS. Peter, Paul, Dubritius, Teilo, and Oudoceus, Llandaff|publisher=Western Mail|year=1898|page=16}}
• Bishop of St Asaph – Lewis Bagot{{cite book|title=The Apostolical Succession in the Church of England|publisher=James Parkes and Company|year=1866|page=15}}
• Bishop of St Davids – Lord George Murray{{cite book|title=The Later Correspondence of George III, Volume 3|author=George III (King of Great Britain)|publisher=University Press|year=1967|page=434}}

• Chirk aqueduct is completed and opened.{{cite book | last = Hughes | first = Stephen | title = The archaeology of the Montgomeryshire Canal : a guide and study in waterways archaeology | publisher = Royal Commission on Ancient and Historical Monuments in Wales | location = City | year = 1989 | isbn = 9781871184020 | page=105}}
• First railway in north Wales is built by Lord Penrhyn to link his quarries with Bethesda and Port Penrhyn.
• John Rice Jones becomes first attorney-general of Indiana.{{cite book|last=Jones|first=W.A. Burt|title=John Rice Jones: a brief sketch of the life and public career of the first practicing lawyer in Illinois.|year=1889|publisher=Fergus Printing Company. Fergus' Historical Series #82|location=Chicago, Illinois}}
• The "Great Debate" is held at Ramoth Chapel in Llanfrothen, Merionethshire, as a result of which John Richard Jones forms the "Scottish Baptist" connexion.{{cite web|url=https://biblicalstudies.org.uk/pdf/tbhs/07-3_4_147.pdf|title=The McLeanist (Scotch) and Campbellite Baptists of Wales|author=unknown|website=Biblical Studies.org.uk|access-date=30 August 2020}} Note: Jones later dated his decision to 1798

• Cyhoeddiadau Cymdeithas y Gwyneddigion
• The Myvyrian Archaiology of Wales, vol. 1{{cite book|author=Neil Evans|title=Writing a Small Nation's Past: Wales in Comparative Perspective, 1850–1950|url=https://books.google.com/books?id=VrmXCwAAQBAJ&pg=PA68|date=17 February 2016|publisher=Routledge|isbn=978-1-134-78661-9|pages=68}}
• Azariah Shadrach - Allwedd Myfyrdod{{cite book|author=Welsh Bibliographical Society|title=The Journal of the Welsh Bibliographical Society|url=https://books.google.com/books?id=ay5VAAAAYAAJ|date=July 1943|publisher=Welsh Bibliographical Society|page=70}}
• Hester Thrale - Retrospection: or a review of the most striking events, characters, situations, and their consequences, which the last eighteen hundred years have presented to the view of mankind

• 6 January – Evan Davies (Myfyr Morganwg), bard, druid and antiquarian (d. 1888){{Cite DWB|id=s-DAVI-EVA-1801|title=DAVIES, EVAN (Myfyr Morganwg; 1801–1888), bard and 'archdruid'|access-date=5 February 2024}}
• 6 February – William Williams (Caledfryn), poet and critic (d. 1869){{cite book|author=Thomas Mardy Rees|title=Notable Welshmen (1700-1900): ... with Brief Notes, in Chronological Order, and Authorities. Also a Complete Alphabetical Index|url=https://books.google.com/books?id=sXM_AQAAMAAJ|year=1908|publisher=Herald Office|page=257}}
• 1 November – John Lloyd Davies, politician (d. 1860){{cite DWB|title=John Lloyd Davies|id=s-DAVI-LLO-1801|last=Jones|first=Nansi Ceridwen|accessdate= 18 July 2017}}
• 18 November – David Rees (Y Cynhyrfwr), minister and writer (d. 1869){{cite DWB|last=Owen|first=John Dyfnallt|title=David Rees|id=s-REES-DAV-1801|access-date=11 September 2015}}
• 23 December – William Watkin Edward Wynne, politician (d. 1880){{cite DWB|id=s-WYNN-PEN-1275|title=Wynne family, of Peniarth|author=William Llewelyn Davies|access-date=8 July 2024}}
• date unknown – Thomas Phillips, lawyer, politician and businessman, mayor of Newport (d. 1867){{cite DWB|id=s-PHIL-THO-1801|title=Phillips, Sir Thomas (1801-1867), barrister and author|author=David Williams|access-date=8 July 2024}}

• 16 January – George Herbert, 2nd Earl of Powis, 45{{cite book|title=Burke's Genealogical and Heraldic History of Peerage, Baronetage and Knightage|url=https://books.google.com/books?id=NiVNAQAAMAAJ&pg=PA902|year=1868|publisher=Burke's Peerage Limited.|pages=902}}
• 14 February – Rhys Jones, antiquary, 87{{cite DWB|id=s-JONE-RHY-1713|title=Jones, Rhys (or Rice) (1713-1801), antiquary and poet|author=David Gwenallt Jones|access-date=8 July 2024}}
• 23 September – Thomas Nowell, historian, 71?J. J. Caudle, [http://www.oxforddnb.com/view/article/20382 Nowell, Thomas (1730?–1801)], Oxford Dictionary of National Biography, Oxford University Press, 2004.
• 13 December – William Edwardes, 1st Baron Kensington, about 90{{cite web|url = http://www.historyofparliamentonline.org/volume/1754-1790/member/edwardes-william-1712-1801| title= Edwardes, William (c.1712-1801), of Johnston, Pemb.|publisher= History of Parliament Online|access-date = 12 July 2013}}
• probable – Frances Williams, convicted thief, one of the first women to settle Australia, 40/41{{Dictionary of Welsh Biography|id=s14-WILL-FRA-1760|title=Williams, Frances (Fanny) (?1760 - C.1801), Convict and Australian Settler|year=2022|first=Ffion Mair|last=Jones|author-link=|access-date=September 10, 2023}}

• 1801 in Ireland

{{reflist}}

Wales

Wales

Category:1801 in Europe

Category:1800s in Wales