Events from the year 1721 in Ireland.
Incumbent
Events
- June 24 – an act of the Parliament of Great Britain permits Charles Butler, 1st Earl of Arran, to purchase the Irish estates forfeited by his brother James Butler, 2nd Duke of Ormonde.[1]
- The title Baron Bessborough, of Bessborough, Piltown in the County of Kilkenny, is created in the Peerage of Ireland in favour of William Ponsonby.[2]
Births
- Henry Jones, poet and tragedian (d. 1770)
- Denis Maguire, Bishop (Catholic Church) (d. 1798)
- Robert Murray, merchant (d. 1786)
- Peter Parker, Admiral of the Fleet (d. 1811)
- John Ruxton, landowner and politician (d. 1785)
- Approximate date
- Richard Houston, mezzotint engraver (d. 1775)
- Alexander Montgomery, soldier and politician (d. 1785)
Deaths
- July 21 (hanged) – Walter Kennedy, pirate (b. c.1695)
- September 20 – Thomas Doggett, actor and benefactor (b. c.1670)
- Autumn – Godfrey Boate, judge (b. 1673)
- Denis Daly, judge (b. c.1638)
- Sir John Kirwan, merchant (b. 1650)