1747 in Wales

Incumbents

• Lord Lieutenant of North Wales – George Cholmondeley, 3rd Earl of Cholmondeley
• Lord Lieutenant of Glamorgan – Charles Powlett, 3rd Duke of Bolton
• Lord Lieutenant of Brecknockshire and Lord Lieutenant of Monmouthshire – Thomas Morgan
• Lord Lieutenant of Cardiganshire – Wilmot Vaughan, 3rd Viscount Lisburne
• Lord Lieutenant of Carmarthenshire – vacant until 1755
• Lord Lieutenant of Pembrokeshire – Sir Arthur Owen, 3rd Baronet
• Lord Lieutenant of Radnorshire – William Perry
• Bishop of Bangor – Matthew Hutton
• Bishop of Llandaff – John Gilbert
• Bishop of St Asaph – Samuel Lisle
• Bishop of St Davids – The Hon. Richard Trevor

Events

• August - In the general election, William Morgan of Tredegar Park becomes MP for Monmouthshire.
• date unknown
• *Construction of the Usk Bridge (Usk), designed by William Edwards, begins.
• *Portrait-painter William Williams relocates to Philadelphia.
• *A Quaker meeting house is established at Quakers Friars in Bristol, the burial place of Llywelyn ap Dafydd.
• *James Relly reports on his missionary tour to Bristol, Bath, Gloucestershire, and Birmingham.

Arts and literature

New books

• John Boydell - ''The Bridge Book''

Music

• William Williams Pantycelyn - ''Aleluia''

Births

• January - Richard Fenton, poet and author
• 10 March - Iolo Morganwg, antiquarian, poet and literary forger
• 5 April - Sir Thomas Hanmer, 2nd Baronet (2nd creation)
• 6 April - Moses Griffith, artist

Deaths

• February - Walter Lloyd, lawyer and politician, 68
• 9 April - John Myddelton, landowner and politician, 61
• 21 July - Robert Clavering, former Bishop of Llandaff, 70/71
• probable - David Lloyd, clergyman and translator