1766 in Wales

This article is about the particular significance of the year 1766 to Wales and its people.

Incumbents

19 February - Thomas Kymer is granted an Act of Parliament allowing him to construct the Kidwelly and Llanelly Canal.
12 May - Sir Roger Mostyn, 5th Baronet, marries Margaret, daughter of Rev Hugh Wynn and heiress to the Bodysgallen estate.
July - Maurice Morgann becomes an under-secretary to the Earl of Shelburne, then Secretary of State for the South. In November he is made secretary of the Province of New Jersey.
12 November - John, Lord Mountstuart marries Charlotte Jane, granddaughter of Thomas Windsor, 1st Viscount Windsor.
unknown date - The Welsh-language periodical Yr Awstralydd is launched by William Meirion Evans in Australia.

March - William Turner, industrialist (died 1853)
10 November - John Jones (Jac Glan-y-gors), satirical poet and radical pamphleteer (died 1821)
6 December - Robert Williams (Robert ap Gwilym Ddu), poet (died 1850)
18 December - Charles Lloyd, dissenting minister and schoolmaster (died 1829)
25 December - Christmas Evans, preacher (died 1838)
unknown date
Martha Llwyd, hymnodist (died 1845)
Henry Parry, clergyman and antiquarian (died 1854)

1 January - James Francis Edward Stuart, 77, nominally Prince of Wales from his birth until 1701
19 January - Wilmot Vaughan, 3rd Viscount Lisburne, landowner
30 January - John Jeffreys, 59, politician
June - Evan Edwards, 32, harpist
7 May - Samuel Squire, 51/52, Bishop of St Davids
17 November - Morgan Morgan, 78, Welsh-born American colonist (in America)
date unknown - Milbourn Bloom, independent minister