1864 in Ireland

Events from the year 1864 in Ireland.

Events

1 January – civil registry of births, deaths and marriages replaces parish church registers.
30 January – opening of the National Gallery of Ireland in Dublin.
May – Theobald Jones presents his Report on the progress made in collecting the Irish lichens to the Natural History Society of Dublin.
8 August – The first stage of the O'Connell Monument, Dublin's construction is achieved with the installation of a two-ton Dalkey granite foundation stone by Lord Mayor of Dublin Peter Paul McSwiney.
December – Jane Wilde is found to have libelled Mary Travers; Travers is awarded only a nominal farthing in damages but Lady and the newly knighted Sir William Wilde have to pay substantial costs.
Foundation of the Munster Bank, later rescued as the Munster & Leinster Bank, a constituent of Allied Irish Banks.

Sheridan Le Fanu publishes the Gothic locked room mystery-thriller Uncle Silas.
November – Samuel Ferguson publishes his collected poems Lays of the Western Gael.

1 January – John Mahony, Kerry hurler.
31 January – Matilda Cullen Knowles, lichenologist.
13 February – Stephen Gwynn, journalist, writer, poet and Nationalist politician.
22 February – Michael Donohoe, Democrat U.S. Representative from Pennsylvania.
4 March – Daniel Mannix, Catholic Church|Catholic] clergyman, Archbishop of Melbourne for 46 years.
5 May – Henry Wilson, 1st Baronet|Henry Wilson], British Field Marshal and Conservative Party politician.
11 May – Ethel Lilian Voynich, née Boole, novelist and composer.
16 July – Joseph O'Mara, opera singer.
1 September – Roger Casement, United [Kingdom of Great Britain and Ireland|British] diplomat, nationalist, poet and Irish revolutionary, executed at Pentonville Prison.
19 October – Thomas Pakenham, 5th Earl of Longford, peer and soldier.
11 November – John Meredith, Australian Army Brigadier General.
22 November – Sir William Moore, 1st Baronet, Unionist MP and Lord Chief Justice of Northern Ireland 1925–1937.
9 December – Willoughby Hamilton, tennis player, Wimbledon Champion in 1890.
21 December – James Whiteside McCay, Lieutenant General in the Australian Army, member of the Victorian and Australian Parliaments.
;Full date unknown
:*William Gerard Barry, painter.
:*Denis Grimes, Limerick hurler.
:*Michael McCarthy, nationalist anticlerical lawyer.
:*Moira O'Neill, poet.
:*J. Laurie Wallace, painter.

10 January – Nicholas Callan, priest and scientist.
20 May – John George Bowes, businessman and political figure in Canada East.
18 June – William Smith O'Brien, nationalist.
4 July – Thomas Colley Grattan, writer.
23 July – Thomas Laughnan, soldier, recipient of the Victoria Cross for gallantry in 1857 at Lucknow, India.
27 July – Joseph Patrick Haverty, painter.
21 November – Charles McNally, Bishop of Clogher 1844–1864.
30 November – Patrick Cleburne, major general in Confederate States Army in the American Civil War, killed at the Battle of Franklin.
8 December – George Boole, mathematician.
23 December – James Bronterre O'Brien, Chartist leader, reformer and journalist.
William Guy Wall, painter.