1820 in Ireland

Events

Births

• 31 May - Timothy Burns, Lieutenant Governor of Wisconsin from 1851 to 1853 (d.1853).
• 3 June - Thomas William Moffett, scholar, educationalist and President of Queen's College Galway (d.1908).
• 4 June - John Kean, businessman and politician in Ontario (d.1892).
• 6 October - James Travers, soldier, recipient of the Victoria Cross for gallantry in 1857 at Indore, India (d.1884).
• 22 November - Katherine Plunket, botanical artist and longest-lived Irish person ever (d. 1932).
• 30 December - Mary Anne Sadlier, novelist (d. 1903).

Full date unknown

• Thomas Arthur Bellew, landowner and politician (d.1863).
• Johnston Drummond, early settler of Western Australia, botanical and zoological collector (d.1845).
• Ambrose Madden, recipient of the Victoria Cross for gallantry in 1854 in the Crimea, at Little Inkerman (d.1863).
• Patrick Mylott, soldier, recipient of the Victoria Cross for gallantry in 1857 in India (d.1878).
• Henry Hamilton O'Hara "Mad O'hara", "The Mad Squire of Craigbilly" (d.1875).
• Eliza Patterson, reputed to have introduced the noxious weed known as Patterson's Curse to Australia (d.1887).
• Joseph M. Scriven, poet and philanthropist (d.1886).
• Kivas Tully, architect (d.1905).

Deaths

• 29 January - George III of the United Kingdom of Great Britain and Ireland (b. 1738).
• 13 February - Leonard Macnally, informant against members of the Society of United Irishmen (b.1752).
• 6 June - Henry Grattan, member of Irish House of Commons and campaigner for legislative freedom for the Irish Parliament (b.1746).

Full date unknown

• Eaton Stannard Barrett, poet and author (b.1786).
• Anthony Daly, a leader of the Whiteboy movement, hanged for attempted murder.