1842 in Ireland
Events from the year 1842 in Ireland.
Events
- 15 October – The Nation newspaper is founded in Dublin.
Births
- 6 February – Jeremiah O'Sullivan, Roman Catholic Bishop of Mobile.
- 10 February – Agnes Mary Clerke, astronomer and writer.
- 9 May – William Hone, cricketer.
- 23 August – Osborne Reynolds, engineer and prominent innovator in the understanding of fluid dynamics.
- 3 September – John Devoy, Fenian organiser and exile.
Deaths
- 25 March – William Beatty, ship's surgeon on during the Battle of Trafalgar.
- 11 April – John England, first Catholic Bishop of Charleston, South Carolina.
- 8 June – Henry Parnell, 1st Baron Congleton, politician..
- 12 August – William Corbet, member of the United Irishmen, soldier, Commander-in-Chief to French forces in Greece.
- 21 August – William Maginn, journalist and writer.
- 30 August – John Banim, dramatist and playwright.
- 28 September – Sir Michael O'Loghlen, 1st Baronet, judge, politician and Attorney-General for Ireland.
- 4 October – Lowry Cole, soldier, politician and MP for Enniskillen from 1797 to 1800, Governor of Mauritius and Cape Colony.