← 1873 1872 1871 1870 1869 1874 in Ireland → 1875 1876 1877 1878 1879
Centuries:	17th 18th 19th 20th 21st
Decades:	1850s 1860s 1870s 1880s 1890s
See also:	1874 in the United Kingdom Other events of 1874 List of years in Ireland

Events from the year 1874 in Ireland.

• 17 February – United Kingdom general election in Ireland in which 59 professing members of the Home Rule League are returned.^[1]
• 24 May – Queen Victoria creates her third eldest son, Prince Arthur, Duke of Connaught and Strathearn, after the province of Connaught.
• 26 July – the Roman Catholic Cathedral of the Immaculate Conception, Sligo, is opened.

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• 28 January – Kathleen Lynn, physician and politician (died 1955).
• 15 February – Ernest Shackleton, explorer, remembered for his Antarctic expedition of 1914–1916 in the ship Endurance (died 1922).
• 24 February – Con Lucid, Major League Baseball player (died 1931).
• 29 March – Rupert Edward Cecil Lee Guinness, 2nd Earl of Iveagh, businessman, politician and philanthropist, Chancellor of the University of Dublin (died 1967).
• 24 April – Annie Moore, migrant to the United States (died c.1924).
• 25 April – Guglielmo Marconi, inventor (born in Bologna of Irish maternity) (died 1937)
• 29 April – Conal Holmes O'Connell O'Riordan, dramatist and novelist (died 1948).
• 13 May – Percy Redfern Creed, soldier, sportsman and writer (died 1964).
• 6 June – George Harman, cricketer and rugby player (died 1975).
• 11 June – Arthur Gwynn, cricketer and rugby player (died 1898).
• 14 June – Louis Lipsett, British Army and Canadian Expeditionary Force senior officer during the First World War (killed in action 1918).
• 18 July – Cathal Brugha, active in Easter Rising, Irish War of Independence, and Irish Civil War and was first Ceann Comhairle of Dáil Éireann, shot by Free State troops (died 1922).
• 18 July – Bob Lambert, cricketer (died 1956).
• 20 July
  • Jer Doheny, Kilkenny hurler (died 1929).
  • Monsignor Michael J. O'Doherty, Archbishop of Manila (died 1949)
• 11 August – John Philip Bagwell, general manager Great Northern Railway, Seanad member (died 1946).
• 17 September – Bernard Forbes, 8th Earl of Granard, soldier and politician (died 1948).
• 11 November – Louise McIlroy, Professor of Obstetrics and Gynaecology at the London School of Medicine for Women (died 1968).
• 1 December – Michael Mallin, second in command of Irish Citizen Army, participant in the Easter Rising (executed by firing squad in Kilmainham Jail 1916).
• 18 December – Philip Meldon, cricketer (died 1942).

  Full date unknown

  • Eamonn Duggan, lawyer, nationalist and politician (died 1936).
  • Patrick Hannon, Conservative and Unionist Party (UK) politician (died 1963).

• April – Biddy Early, traditional healer (born c. 1798).
• 26 July – Abraham Brewster, judge and Lord Chancellor of Ireland (born 1796).
• 27 August – John Henry Foley, sculptor (born 1818).
• 30 August – Michael Banim, writer (born 1796).
• 17 September – Edmond Burke Roche, 1st Baron Fermoy, politician (born 1815).
• 21 September – Arthur Jacob, ophthalmologist (born 1790).
• 17 October – John Benson, architect for Irish Industrial Exhibition, Great Industrial Exhibition (1853) and the 1855 Cork Opera House (born 1812).

• 1874 in Scotland
• 1874 in Wales