1740 in Wales

Events from the year 1740 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 – Charles Powlett, 3rd Duke of Bolton
 * Lord Lieutenant of Brecknockshire and Lord Lieutenant of Monmouthshire – Thomas Morgan
 * Lord Lieutenant of Cardiganshire – John Vaughan, 2nd Viscount Lisburne
 * Lord Lieutenant of Carmarthenshire – vacant until 1755
 * Lord Lieutenant of Denbighshire – Sir Robert Salusbury Cotton, 3rd Baronet
 * Lord Lieutenant of Pembrokeshire – Sir Arthur Owen, 3rd Baronet
 * Lord Lieutenant of Radnorshire – James Brydges, 1st Duke of Chandos
 * Bishop of Bangor – Thomas Herring
 * Bishop of Llandaff – Matthias Mawson (until 21 October); John Gilbert (from 28 December)
 * Bishop of St Asaph – Isaac Maddox
 * Bishop of St Davids – Nicholas Clagett

Events

 * 6 November - Charles Wesley records in his diary a visit to the Glascott family home at Cardiff.
 * date unknown - William Williams Pantycelyn becomes a deacon and is appointed curate to Theophilus Evans at Llanfaes.

New books

 * John Dyer - The Ruins of Rome
 * Griffith Jones (Llanddowror) - Welsh Piety
 * Zachariah Williams - The Mariners Compass Completed

Music

 * Howell Harris - Llyfr o Hymneu o Waith Amryw Awdwyr (collection of hymns)

Births

 * 23 February - Benjamin Evans, Congregational minister and author (died 1821)
 * 26 December - John Williams (Ioan Rhagfyr), musician (died 1821)
 * date unknown - Sir Watkin Lewes, politician (died 1821)

Deaths

 * 3 April - Thomas Dominic Williams, Roman Catholic bishop, 78/9
 * 7 August - Jane Brereton, poet, 55
 * 3 October - Price Devereux, 9th Viscount Hereford, politician, 76
 * 20 October - Sir William Williams, 2nd Baronet, of Gray's Inn, politician, 75?
 * date unknown
 * Enoch Francis, Baptist
 * John Morris, youngest of the Morris brothers of Anglesey, 34 (died at sea during an attack on Cartagena)