1720s in Wales

• Prince of Wales
  • George (until 1727) (became George II)
  • Frederick (from January 8, 1729)
• Princess of Wales - Caroline of Ansbach (until 1727)

1720

• Charles Hanbury Williams succeeds to the estate of his godfather, and takes the surname Williams.

1721

• December 30 - Bridget Vaughan marries Arthur Bevan, a barrister.

1722

1723

1724

• A charity school is built at Caerleon-on-Usk as the result of a bequest from Charles Williams.

1725

• 4 May - Ann Thomas (the "Maid of Cefn Ydfa") marries Anthony Maddocks.
• Silvanus Bevan is elected a Fellow of the Royal Society on the recommendation of Sir Isaac Newton.

1726

• 26 July - Prince Frederick, son of the Prince of Wales, is created Baron Snowdon by his grandfather, King George I of Great Britain.

1727

• The Piercefield estate is sold for £3,366, 5.6d to Thomas Rous of Wotton-under-Edge.

1728

1729

• 8 January - Prince Frederick, son of King George II, is created Prince of Wales, nearly two years after his father's accession.
• 1 March - A St. David's Society is established by Welsh immigrants in Philadelphia.
• 19 October - John Harris becomes Bishop of Llandaff.
• Zachariah Williams is admitted as a poor brother pensioner of the Charterhouse in London.

1720

• July 22 - Sir Herbert Lloyd, 1st Baronet, politician (d. 1769)

1722

• May 9 - Morgan Edwards, Baptist historian (d. 1795)

1723

• February 23 - Richard Price, philosopher (d. 1791)
• March 5 - Princess Mary of Wales, daughter of the Prince and Princess of Wales (d. 1772)

1724

• April - Joshua Eddowes, printer and bookseller (d. 1811)
• December 4 - Princess Louise of Wales, daughter of the Prince and Princess of Wales (d. 1751)

1725

• May - Llewellin Penrose, painter
• September 7 - Francis Homfray, industrialist (d. 1798)

1726

• June 14 - Thomas Pennant, traveller and writer (d. 1798)
• William Jones, poet, antiquary and radical (d. 1795)

1720

• March 7 - John Morgan (of Rhiwpera), politician, 49
• April/May - Robert Wynne, clergyman and poet
• August 29 - Charles Williams, merchant, 87
• December 31 - John Wynne, industrialist

1721

• July 8 - Elihu Yale, benefactor of Yale University, 72
• date unknown - Sir William Glynne, 2nd Baronet

1722

• February 10 - Bartholomew Roberts, pirate ("Black Bart"), 39 (in battle)
• November 16 - John Vaughan, reformer, 59

1723

• December 28 - Sir Charles Lloyd, 1st Baronet, of Milfield, politician, 61

1724

• March 22 - John Evans, Bishop of Bangor and Meath, 73?
• June 1 - Erasmus Saunders, clergyman, 54?
• date unknown - Richard Bulkeley, 4th Viscount Bulkeley

1725

• December 15 - Francis Edwardes, politician

1729

• April 29 - Sir Stephen Glynne, 3rd Baronet, 64
• September - Sir Stephen Glynne, 4th Baronet, 35?
• September 1 - Sir Richard Steele, satirist, 57