1774 in Ireland

Events from the year 1774 in Ireland.

Incumbent

17 September – Clifton House, Belfast, the Belfast Charitable Society's poorhouse, is opened.
New buildings in Armagh provided by Archbishop Richard Robinson are completed for the County Infirmary, Royal School and Military Barracks.{{cite web|title=Archbishop Richard Robinson And Armagh|url=http://www.armaghgaol.com/index.php?option=com_content&view=article&id=16&limitstart=1|archive-url=https://archive.today/20130215125856/http://www.armaghgaol.com/index.php?option=com_content&view=article&id=16&limitstart=1|url-status=dead|archive-date=2013-02-15|work=Armagh Gaol|year=2010|access-date=2013-01-29}}

7 May – Francis Beaufort, hydrographer and officer in the British Royal Navy, creator of the Beaufort scale (died 1857).
11 July – Somerset Lowry-Corry, 2nd Earl Belmore, politician and statesman (died 1841).
29 December – Maurice FitzGerald, 18th Knight of Kerry, Whig politician (died 1849).
;Full date unknown
:*Máire Bhuí Ní Laoghaire, poet (d.c1849).
:*Bartholomew Teeling, a leader of the Irish forces during the Irish Rebellion of 1798 (died 1798).

4 April – Oliver Goldsmith, novelist and playwright (born 1728 or 1730).
11 July – Sir William Johnson, 1st Baronet, pioneer and army officer in colonial New York (born 1715).
14 July – Field Marshal James O'Hara, 2nd Baron Tyrawley, officer in the British Army (born 1682).
27 December – Henry Mossop, actor (born 1729).
Sir Robert Blackwood, 1st Baronet (born 1694).