1827 in Ireland

Centuries:	17th; 18th; 19th; 20th; 21st;
Decades:	1800s; 1810s; 1820s; 1830s; 1840s;
See also:	1827 in the United Kingdom; Other events of 1827 ; List of years in Ireland

Events from the year 1827 in Ireland.

Events

19–25 April – public theological debates in Dublin between Revs. R. T. P. Pope (Protestant) and Thomas Maguire (Roman Catholic).^[1]
6 September–October – Ordnance Survey staff survey a Lough Foyle baseline for their survey of Ireland.^[2]
24 September (Feast of Our Lady of Mercy) – Catherine McAuley opens an institution for destitute women and orphans and a school for the poor in Dublin.^[3]
The British Army establishes Beggars Bush Barracks.
Clonmel and Multyfarnham Friaries are re-established.
Amhlaoibh Ó Súilleabháin begins his diary, later published as Cín Lae Amhlaoibh.^[4]

Sydney, Lady Morgan, publishes her romantic novel with political overtones, The O'Briens and the O'Flahertys, in London.

January – Bernard Diamond, soldier, recipient of the Victoria Cross for gallantry in 1857 at Bolandshahr, India (died 1892).
5 February – Peter Lalor, leader of the Eureka Stockade rebellion in Australia (died 1889).
27 April – Mary Ward, scientist (died 1869).
5 May – Thomas Francis Hendricken, first Bishop of Providence, Rhode Island (died 1886).
29 May – Timothy Daniel Sullivan, journalist, politician and poet, writer of the Irish national hymn God Save Ireland (died 1914).
3 September – John Drew, actor in the United States (died 1862).
10 December – Eugene O'Keefe, businessman and philanthropist in Canada (died 1913).
Full date unknown
- Thomas Farrell, sculptor (died 1900).
- James Owens, soldier, recipient of the Victoria Cross for gallantry in 1854 at Sebastopol, in the Crimea (died 1901).

14 November – Thomas Addis Emmet, lawyer and politician, member of United Irishmen (born 1764).

^ Moody, T. W.; et al., eds. (1989). A New History of Ireland. 8: A Chronology of Irish History. Oxford University Press. ISBN 978-0-19-821744-2.
^ Hewitt, Rachel (2010). Map of a Nation: a biography of the Ordnance Survey. London: Granta. ISBN 9781847080981.
^ Austin, Mary Stanislas (1911). "Sisters of Mercy". The Catholic Encyclopedia. Vol. 10. New York: Robert Appleton Company. Retrieved 2013-01-29.
^ "O'Sullivan, Humphrey_1780–1837_Irish_teacher, tradesman". The Diary Junction. PiKLe. July 2008. Retrieved 2013-04-06.