1755 in Wales

Events from the year 1755 in Wales.

Incumbents

 * Lord Lieutenant of North Wales (Lord Lieutenant of Anglesey, Caernarvonshire, Flintshire, Merionethshire, Montgomeryshire) – George Cholmondeley, 3rd Earl of Cholmondeley
 * Lord Lieutenant of Glamorgan – Other Windsor, 4th Earl of Plymouth
 * Lord Lieutenant of Brecknockshire and Lord Lieutenant of Monmouthshire – Thomas Morgan
 * Lord Lieutenant of Cardiganshire – Wilmot Vaughan, 3rd Viscount Lisburne
 * Lord Lieutenant of Carmarthenshire – George Rice
 * Lord Lieutenant of Denbighshire – Richard Myddelton
 * Lord Lieutenant of Pembrokeshire – Sir William Owen, 4th Baronet
 * Lord Lieutenant of Radnorshire – William Perry
 * Bishop of Bangor – Zachary Pearce
 * Bishop of Llandaff – Edward Cresset (until 13 February); Richard Newcome (from 13 April)
 * Bishop of St Asaph – Robert Hay Drummond
 * Bishop of St Davids – Anthony Ellys

Events

 * Following the death of his wife in this year, Griffith Jones (Llanddowror) goes to live at the home of Madam Bridget Bevan.
 * The Brecknockshire Agricultural Society is formed.

New books

 * Rules of the Honourable Society of Cymmrodorion are published.

Music

 * Morgan Rhys – Golwg o Ben Nebo, ar Wlad yr Addewid (collection of hymns)

Births

 * 22 February – Henry Nevill, 2nd Earl of Abergavenny (died 1843)
 * 9 May – Wilmot Vaughan, 2nd Earl of Lisburne, owner of the Trawsgoed estate (died 1820)
 * 5 July – Sarah Siddons, actress (d. 1831)
 * 14 October – Thomas Charles of Bala, clergyman (died 1814)
 * 21 October – Caleb Hillier Parry, Welsh-descended physician (died 1822)
 * 18 November – Rev. William Jones (died 1821)

Deaths

 * 13 February – Edward Cresset, Bishop of Llandaff, 57
 * 30 June – Edward Wynne, lawyer and landowner
 * 12 July – Zachariah Williams, inventor, 81
 * date unknown – John Owen, chancellor of Bangor