:1737 in Wales

{{For|Great Britain incumbents|1737 in Great Britain#Incumbents}}

• Lord Lieutenant of North Wales (Lord Lieutenant of Anglesey, Caernarvonshire, Flintshire, Merionethshire, Montgomeryshire) – George Cholmondeley, 3rd Earl of Cholmondeley{{cite book | author=J.C. Sainty | author-link=John Sainty (civil servant) | title=List of Lieutenants of Counties of England and Wales 1660-1974 | publisher=Swift Printers (Sales) Ltd | location=London | year=1979}}{{cite book | last = Nicholas | first = Thomas | title = Annals and antiquities of the counties and county families of Wales | publisher = Genealogical Pub. Co | location = Baltimore | year = 1991 | isbn = 9780806313146 | page=695}}
• Lord Lieutenant of Glamorgan – Charles Powlett, 3rd Duke of Bolton{{cite book|author=Arthur Collins|title=The Peerage of England ... The third edition, corrected and enlarged in every family, with memoirs, not hitherto printed|publisher=H. Woodfall|date=1768|page=235}}
• 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 – Charles Cecil (until 29 May);{{cite book|title=Fasti ecclesiae Anglicanae or a calendar of the principal ecclesiastical dignitaries in England and Wales|publisher=University Press|year=1854|page=108}} Thomas Herring (nominated as successor)
• Bishop of Llandaff – John Harris{{cite DWB| id=s-HARR-JOH-1680| title=Harris, John (1680–1738), bishop of Llandaff |last=Thomas|first=Lawrence|access-date=3 October 2021}}
• Bishop of St Asaph – Isaac Maddox{{cite book|title=Guides and Handbooks|publisher=Royal Historical Society (Great Britain)|year=1939|page=203}}{{cite book|author=Arthur Philip Perceval|title=An Apology for the Doctrine of Apostolical Succession; with an appendix on the English Orders|year=1839|page=197}}{{cite DNB|wstitle=Tanner, Thomas (1674–1735)|volume=55|first=William Prideaux |last=Courtney}}
• Bishop of St Davids – Nicholas Clagett{{acad|id=CLGT702N|name=Clagett, Nicholas}}

• 14 February – William Talbot, MP for Glamorganshire, succeeds his father as Baron Talbot.
• February – The House of Commons debates whether to increase the Prince of Wales's Civil List allowance after his father, the king, turns down his request. Parliament decides to reject the idea of an increase.{{cite book|author=Sandro Jung|title=David Mallet, Anglo-Scot: Poetry, Patronage, and Politics in the Age of Union|url=https://books.google.com/books?id=GLCmdb9LCxAC&pg=PA90|year=2008|publisher=Associated University Presse|isbn=978-0-87413-005-8|pages=90}}
• April – The "New Cut" is excavated, in the Dee Estuary, to improve access to Chester. It diverts the river's course to the Welsh side of the estuary, but fails to prevent further silting up of the river.{{cite book|author=Great Britain. Tidal harbours commission|title=First [and Second] Report[s] of the Commissioners|url=https://books.google.com/books?id=GzQxAQAAMAAJ&pg=PA70|year=1846|publisher=W. Clowes and sons|pages=70}}
• 13 August – Howel Harris and Daniel Rowland meet for the first time, at Defynnog.{{cite book|author1=Owain William Jones|author2=David Walker|title=Links with the Past: Swansea & Brecon Historical Essays|url=https://books.google.com/books?id=r7E8AAAAYAAJ|year=1974|publisher=C. Davies|page=144|isbn=9780715401224}}
• 31 August – The Prince and Princess of Wales have their first child, Princess Augusta. The birth takes place at St James's Palace, the royal couple having absconded from Hampton Court Palace in the middle of the night to avoid the King and Queen being present.
• 1 December – The newly erected lighthouse on Flat Holm is lit for the first time.{{cite book|author=D. Alan Stevenson|title=The World's Lighthouses: From Ancient Times to 1820|url=https://books.google.com/books?id=9fO7AQAAQBAJ&pg=RA1-PA1782|date=5 March 2013|publisher=Courier Corporation|isbn=978-0-486-15708-5|pages=1782}}
• date unknown
• Conversion of William Williams Pantycelyn to Methodism, after hearing Howel Harris preach in Talgarth churchyard.
• Welsh settlers establish their first settlement in the vicinity of Marlboro County, South Carolina, called Welsh Neck.{{cite book|title=Marlboro County "It's Good to be Home"|publisher=Marlboro Herald-Advocate|date=January 2009|location=Bennettsville, South Carolina|page=60}}
• Tinplate manufacture at Kidwelly begins.
• The Baptist chapel at Capel-y-ffin is begun by William and David Prosser, who brought "The Ministry of the Gospel to their house in the year 1737. And Secured this Place for That Sacred Use for the Time Being."{{cite book|author1=Keen, Richard |author2=Burgum, Ian |title=Wales|publisher=Orion Publishing Group|year=1997|page=129}}
• Thomas Jones of Abermarles is High Sheriff of Cardiganshire.The Gentleman's Magazine (London) 7:61.

• Thomas Beach – Eugenio, or the Virtuous and Happy Life
• John Evans – Practical Discourses concerning the Christian Temper; being 38 sermons upon the principal heads of Practical Religion (4th ed.)
• Isaac Maddox, Bishop of St Asaph – The love of our country recommended: [for] the Societies for Reformation of Manners.

• 13 May – Thomas Williams of Llanidan, industrialist (d. 1802){{cite web|url=http://www.historyofparliamentonline.org/volume/1790-1820/member/williams-thomas-1737-1802|title= WILLIAMS, Thomas (1737-1802), of Llanidan, Anglesey and Temple House, Berks.|publisher= History of Parliament Online|accessdate= 19 May 2016}}
• 31 August – Princess Augusta, eldest child of the Prince and Princess of Wales (d. 1813){{cite book|title=Forum, Volumes 17–18|publisher=University of Houston, 1979|page=32}}
• date unknown – Richard Pennant, 1st Baron Penrhyn, politician and slave-owner (d. 1808)

• 14 February – Charles Talbot, 1st Baron Talbot, 52{{cite ODNB|first=M. |last=Macnair|title=Talbot, Charles, first Baron Talbot of Hensol (bap. 1685, d. 1737)|id=26923|ref=none}}
• 17 May – Thomas Beach, poet (age unknown; suicide).{{cite book |last1=Swift |first1=Jonathan |author-link1=Jonathan Swift |title=The Works of the Rev. Jonathan Swift, D.D. |url=https://books.google.com/books?id=UxQfAAAAMAAJ |access-date=September 14, 2011 |volume=XIII |year=1808 |publisher=Nichols and Son |location=London |page=172 |chapter=To Mr. Thomas Beach |chapter-url=https://books.google.com/books?id=UxQfAAAAMAAJ&pg=PA172 }}
• 29 May – Charles Cecil, Bishop of Bangor, 40s{{acad|id=CCL728C|name=Cecil, Charles}}
• 20 November – Caroline of Brandenburg-Ansbach, consort of King George II of Great Britain and former Princess of Wales (1714–1727), 54
• date unknown
• Humphrey Foulkes, priest and antiquarian, about 65
• Guto Nyth Brân, legendary athlete, 37

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Category:1737 in Great Britain

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