1703 in Wales

This article is about the particular significance of the year 1703 to Wales and its people.

Incumbents

 * Lord Lieutenant of North Wales (Lord Lieutenant of Anglesey, Caernarvonshire, Denbighshire, Flintshire, Merionethshire, Montgomeryshire) – Hugh Cholmondeley, 1st Earl of Cholmondeley (10 June – 5 November 1702)
 * Lord Lieutenant of South Wales (Lord Lieutenant of Glamorgan, Brecknockshire, Cardiganshire, Carmarthenshire, Monmouthshire, Pembrokeshire, Radnorshire) – Thomas Herbert, 8th Earl of Pembroke
 * Bishop of Bangor – John Evans
 * Bishop of Llandaff – William Beaw
 * Bishop of St Asaph – Edward Jones (until 10 May); George Hooper (from 13 October)
 * Bishop of St Davids – vacant

Events

 * 30 March – Catherine Price, sister of Richard Price, marries William Thomas of Cefn Ydfa, Llangynwyd; they would become the parents of Ann Maddocks.
 * July – John Hanbury II marries Bridget Ayscough, the eldest daughter of Sir Edward Ayscough of Stallingbough, Lincolnshire. Sir Edward's only son having died, Bridget inherits a share of his estates and brings a fortune of £10,000 to the marriage.
 * 20 July – Sir Roger Mostyn, 3rd Baronet, marries Lady Essex Finch, daughter of the Earl of Nottingham.
 * 28 August – Thomas Windsor, 1st Viscount Windsor, marries Charlotte Herbert, daughter of Philip Herbert, 7th Earl of Pembroke, and widow of John Jeffreys, 2nd Baron Jeffreys
 * date unknown
 * Baptist leader Thomas Griffiths and a small group of followers settle at Welsh Tract, Delaware, where they found the Welsh Tract Baptist church.

New books

 * James Owen – Moderation a Virtue
 * Ellis Wynne – Gweledigaetheu y Bardd Cwsc
 * Pasc y Christion (translation of a work by Thomas Doolittle)

Music

 * Thomas Baddy – hymns appended to Pasc y Christion

Births

 * 2 February – Richard Morris, one of the celebrated Morris brothers of Anglesey (d. 1779)
 * probable – Henry Herbert, 1st Earl of Powis (d. 1772)

Deaths

 * 10 May – Edward Jones, Bishop of St Asaph, 62
 * 16 July – Robert Brudenell, 2nd Earl of Cardigan, 96