1758 in Wales

Events from the year 1758 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 – Howell Gwynne
 * Bishop of Bangor – John Egerton
 * Bishop of Llandaff – Richard Newcome
 * Bishop of St Asaph – Robert Hay Drummond
 * Bishop of St Davids – Anthony Ellys

Events

 * April – Goronwy Owen becomes headmaster of the grammar school attached to the College of William & Mary, Williamsburg, Virginia.
 * 13 July – Josiah Tucker becomes Dean of Gloucester.
 * October – Evan Evans (Ieuan Fardd) becomes curate of Llanllechid.
 * December – The Llangibby estate passes into the hands of the Addams-Williams family when the original Williams line dies out.
 * date unknown – The Welsh Charity School becomes co-educational.

New books

 * Peter Williams – Blodau i Blant

Music

 * John Thomas – Caniadau Siôn, vol. 1

Births

 * 3 May – Stephen Kemble, Herefordshire-born actor, brother of Sarah Siddons (died 1822)
 * 24 (or 20) August – Sir Thomas Picton, soldier (died 1815)
 * 3 September – Henrietta Clive, Countess of Powis (died 1822)
 * 18 October – Theophilus Jones, lawyer and historian (died 1830)
 * date unknown – Richard Fothergill, ironmaster (died 1821)
 * probable – Isaac Davis, advisor to Kamehameha I of Hawaii (died 1810)

Deaths

 * 24 January – William Wogan, religious writer, 79
 * 25 January – Herbert Windsor, 2nd Viscount Windsor, 50
 * 18 March – Matthew Hutton, Archbishop of Canterbury and former Bishop of Bangor, 65
 * 24 March – Sir Thomas Mostyn, 4th Baronet, 53
 * December – Sir Leonard Williams, 5th Baronet