1801 in Ireland

Events

• 1 January – legislative union of Kingdom of Great Britain and the Kingdom of Ireland completed under the Act of Union 1800, bringing about the United Kingdom of Great Britain and Ireland and abolition of the Parliament of Ireland.
• 3 November – James Murphy succeeds Hugh O'Reilly as Roman Catholic Bishop of Clogher, an office which he will hold until 1824.
• First official, dedicated life-boat in Ireland stationed at Clontarf by the Dublin Ballast Board.
• Joseph Archer's Statistical Survey of the County Dublin is published.

  Births

• 22 September – William Hare, 2nd Earl of Listowel, peer and MP.
• 23 November – Philip Gore, 4th Earl of Arran, Anglo-Irish peer and diplomat.
• 28 December – Armar Lowry-Corry, 3rd Earl Belmore, politician and High Sheriff.

  Deaths

• 3 January – Henry Prittie, 1st Baron Dunalley, politician.
• 19 March – Ambrosio O'Higgins, 1st Marquis of Osorno, viceroy of Peru.
• 21 March – Philip Nolan, horse-trader and freebooter in Natchez.
• 3 September – Hugh O'Reilly, Roman Catholic Bishop of Clogher.
• Jean Glover, poet and singer.