Incumbents

Events

5 January – An article appears in The New York Mercury, criticising the work of Lewis Evans in identifying boundaries in his General Map of the Middle British Colonies in America.^[11]
Spring – Completion of Britain's longest single-span bridge (at this date), William Edwards' Old Bridge, Pontypridd, over the River Taff, at the third (or fourth) attempt.^[12]
Lewis Morris loses his post as collector of tolls at Aberdyfi.^[13]

January – Richard Griffiths, industrial pioneer who opened up transport links into the Rhondda (died 1826)^[16]
7 June – Edward Davies ("Celtic" Davies), writer (died 1831)
23 June – Thomas Jones, mathematician (died 1807)^[17]
4 July – John Evans, surgeon and cartographer (died 1846)
18 November – Thomas Burgess, Bishop of St David's (died 1837)
date unknown
- Thomas Jones of Denbigh, minister and author (died 1820)^[18]
- Simon Lloyd, Methodist preacher (died 1836)

12 June – Lewis Evans, surveyor, 56?^[11]
5 August – Sir George Wynne, 1st Baronet, landowner and politician, 56^[19]
14 September – William Parry, antiquarian and fellow of Jesus College, Oxford, 69^[20]
23 September – John Talbot, judge and MP for Brecon, about 43/44^[21]
28 October – Charles Somerset, 4th Duke of Beaufort, 47^[22]