:1807 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, 6th 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 – George Rice, 3rd Baron Dynevor
• 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 – Edward Clive, 1st Earl of Powis{{cite web|author=R. G. Thorne|url=http://www.historyofparliamentonline.org/volume/1790-1820/member/clive-edward-1754-1839|title=Clive, Edward, 2nd Baron Clive (1754-1839), of Walcot, Salop|website=The History of Parliament: the House of Commons 1790-1820|date=1986|access-date=13 November 2021}}
• 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 – George Rodney, 3rd Baron Rodney{{cite book|author=Jonathan Williams|title=The History of Radnorshire|publisher=R. Mason|year=1859|page=115}}{{cite book|author=William Stockdale|title=Stockdale's Peerage of the United Kingdom|year=1833|page=86}}

• Bishop of Bangor – John Randolph{{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 – William Cleaver{{cite book|title=The Church of the people and free church penny magazine|year=1859|page=179}}{{cite book|title=The Apostolical Succession in the Church of England|publisher=James Parkes and Company|year=1866|page=15}}
• Bishop of St Davids – Thomas Burgess{{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=307}}{{cite book|title=The Monthly Review Or Literary Journal Enlarged|publisher=Porter|year=1780|page=95}}{{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}}{{cite web |title=Records of Past Fellows: Burgess, Thomas |url=https://catalogues.royalsociety.org/CalmView/Record.aspx?src=CalmView.Persons&id=NA3174&pos=1 |website=The Royal Society |access-date=30 October 2020}}

• 9 March – Edward Herbert, 2nd Earl of Powis, assumes the name and arms of Herbert only in lieu of those of Clive by Royal licence, in order to inherit the Powis Castle estates of his uncle.{{cite book|title=The later correspondence of George III.|url=https://books.google.com/books?id=HLSGAAAAIAAJ|year=1968|page=547}}
• 25 March – Opening of the world's first fare-paying passenger railway – the horse-drawn Oystermouth Railway between Oystermouth and Mumbles.{{cite book|first=Charles E.|last=Lee|title=The First Passenger Railway: the Oystermouth or Swansea and Mumbles Line|location=London|publisher=Railway Publishing Co|year=1942}}
• 7 May – The first Welsh language Bible issued by the British and Foreign Bible Society is published.{{cite book|title=Journal of Irish Studies|url=https://books.google.com/books?id=fPcHAQAAIAAJ|year=1983|publisher=National University of Ireland (Adam Boyd Simpson Bequest)|page=290}}
• 29 September – The world's oldest international football stadium, the Racecourse Ground, opens in Wrexham for horse racing;{{cite web|url=https://www.d2architects.co.uk/architectural-look-wrexham-fcs-racecourse-ground-1710.html|title=An architectural look at Wrexham FC's Racecourse Ground|website=d2 Architects|access-date=1 June 2021}} it will not host football games until 1872.
• December (approximate) – Welsh Wesleyan preachers make their first visit to Brecon.David Young, The origins and history of Methodism in Wales and the borders (1893), p 142
• unknown dates
• North Wales Chronicle begins publication in Bangor.{{cite web|title=North Wales Chronicle|url=http://newspapers11.bl.uk/blcs/NorthWalesChronicle.htm|work=British Newspapers 1800-1900|publisher=British Library|year=2009|accessdate=2012-07-11}}
• Walter Coffin opens the first coal seam at Dinas Rhondda, after purchasing farmland.{{cite book|author1=Former Literature Director Meic Stephens|author2=Welsh Academy|title=The Oxford Companion to the Literature of Wales|url=https://books.google.com/books?id=P51iAAAAMAAJ|year=1986|publisher=Oxford University Press|isbn=978-0-19-211586-7|page=95}}
• William Taitt of the Dowlais Company brings a libel action against Samuel Homfray. Damages of £500 are awarded.{{cite book|author=National Library of Wales|title=Cylchgrawn Llyfrgell Genedlaethol Cymru: The National Library of Wales Journal|url=https://books.google.com/books?id=hQvhAAAAMAAJ|year=1993|publisher=Council of the National Library of Wales|page=25}}
• The red dragon on a green mount is adopted as the Royal Badge of Wales.{{cite book|last1=Davies|first1=John|last2=Jenkins|first2=Nigel|title=The Welsh Academy Encyclopaedia of Wales|year=2008|publisher=University of Wales Press|location=Cardiff|isbn=978-0-7083-1953-6|page=732}}

• Thomas Charles – Hyfforddwr
• Peter Bailey Williams – Trysorfa Gwybodaeth{{cite book|author=National Library of Wales|title=Cylchgrawn Llyfrgell Genedlaethol Cymru|url=https://books.google.com/books?id=hwjhAAAAMAAJ|year=1983|publisher=Council of the National Library of Wales|page=46|language=cy}}

• Anthem y Saint… gan Evan Dafydd (collection of hymns)

• 23 May – Samuel Warren, barrister, novelist and MP (died 1877)
• 22 September – Sir Stephen Glynne, 9th Baronet, landowner and politician (died 1874)
• 7 October – Joshua Hughes, Bishop of St Asaph (died 1889){{cite DWB|id=s-HUGH-JOS-1807 |title=Hughes, Joshua (1807-1889), bishop |year=1959 |first=William Thomas |last=Havard |author-link=William Havard |access-date=2021-10-26 }}
• date unknown – Sir William Milbourne James, judge (died 1881){{cite DWB|id=s-JAME-MIL-1807|title=James, Sir William Milbourne (1807-1881), Lord Justice|author=Walter Thomas Morgan|access-date=2 June 2024}}
• probable – Levi Gibbon, balladeer (died 1870){{cite DWB|title=GIBBON, LEVI (1807? - 1870), ballad-writer and singer |id=s-GIBB-LEV-1807 |access-date=1 June 2021}}

• 5 April – Edward Owen, Anglican priest, headmaster and translator, 78?{{cite ODNB|url=http://www.oxforddnb.com/view/article/20993|title=Owen, Edward (1728/9–1807)|last=Sutton|first=C. W. |author2=Brown, Sarah Annes|editor-first1=Sarah Annes |editor-last1=Brown |year=2004 |doi=10.1093/ref:odnb/20993 |accessdate=10 March 2009}}
• 18 July – Thomas Jones, mathematician, 51{{acad|JNS774T|Thomas Jones}}
• 12 October – Thomas Wynn, 1st Baron Newborough, former MP and Lord Lieutenant of Caernarvonshire, 70/71{{cite web| url = http://www.historyofparliamentonline.org/volume/1754-1790/member/wynn-thomas-1736-1807 | title= WYNN, Thomas (1736-1807), of Glynnllivon, Caern. | publisher= History of Parliament Online| access-date = 3 December 2017}}
• date unknown
• David Davies, minister and editor of Y Geirgrawn, age unknown{{cite DWB|title=DAVIES, DAVID (died 1807)|id=s-DAVI-DAV-1807|last=Jenkins|first=Robert Thomas|year=1959|accessdate= 7 February 2017}}
• Joseph Turner, architect.{{Citation|url=http://www.parksandgardens.ac.uk/component/option,com_parksandgardens/task,person/id,1401/Itemid,292/ |archive-url=https://archive.today/20120906095935/http://www.parksandgardens.ac.uk/component/option,com_parksandgardens/task,person/id,1401/Itemid,292/ |url-status=dead |archive-date=6 September 2012 |title=Joseph Turner - Summary |accessdate=6 November 2011 |publisher=Parks and Gardens Data Services }}
• probable – John Lloyd, clergyman and academic, 53?{{cite DWB|id=s-LLOY-JOH-1733|title=JOHN LLOYD (1754-1807?)|last=Jenkins|first=Robert Thomas|access-date=2008-05-01}}

• 1807 in Ireland

{{reflist}}

Wales

Category:1807 in Europe

Category:1800s in Wales