1734 in Wales

This article is about the particular significance of the year 1734 to Wales and its people.

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 Sherlock (until 8 November); Charles Cecil (from 15 January)
 * Bishop of Llandaff – John Harris
 * Bishop of St Asaph – Thomas Tanner
 * Bishop of St Davids – Nicholas Clagett

Events

 * March – In a report to the Society for the Propagation of the Gospel, missionary Griffith Hughes claims to have travelled over 1,100 miles in the Pennsylvania region in the course of his preaching.
 * 30 March – First entry in the diary of William Bulkeley.
 * date unknown
 * Original construction (in stone) of Cilewent Farmhouse, now located at St Fagans National History Museum.
 * Daniel Rowland marries Eleanor Davies of Caer-llugest and is ordained a deacon.

English language

 * Edmund Curll – The Life of Robert Price … one of the Justices of His Majesty's Court of Common-Pleas

Welsh language

 * Simon Thomas – Athrawiaethau Difinyddawl

Births

 * 20 January – Robert Morris, Welsh-born American merchant (died 1806)
 * 15 April – Evan Lloyd, poet (died 1776)
 * 3 July – Henry Herbert, 10th Earl of Pembroke (died 1794)
 * 24 October – Thomas Henry, apothecary (died 1816)

Deaths

 * 14 June
 * Francis Gwyn, politician, 85
 * John Hanbury, industrialist, 70?
 * 13 July – Ellis Wynne, clergyman and writer, 63
 * October – Thomas Lloyd, lexicographer, 61?
 * 26 December – Salusbury Lloyd, politician,
 * date unknown – Elisha Beadles, South Wales-based Quaker leader, 74?