1819 in Ireland

Events

• 9 April - 7 June: Select Committee of the House of Commons inquires into the state of disease and condition of the poor in Ireland. Typhus epidemic continues.
• 3 May – Henry Grattan petitions the House of Commons of the United Kingdom in favour of Catholic Emancipation.
• 26 June – first detachment of John Devereux's Irish Legion sets sail from Liverpool in the Charlotte Gambier to aid Simón Bolívar in his campaign to liberate New Granada in South America.
• 13/14 July – uxoricide of Ellen Scanlan and dumping of her body in the River Shannon.
• c. October – disturbances by supporters of Ribbonism.

  Arts and literature

• 16 April – the Belfast Harp Society is reconstituted as the Irish Harp Society.
• Publication of William Parnell's Maurice and Berghetta, or, the priest of Rahery: a tale anonymously in London.

  Births

• January – William Travers, lawyer, politician, explorer, and naturalist in New Zealand.
• 31 January – William Pakenham, 4th Earl of Longford, soldier and politician.
• 1 March – Mother Vincent Whitty, nun.
• 30 March – Bartholomew Woodlock, Roman Catholic Bishop of Ardagh.
• 31 March – Edward Selby Smyth, British General, commanded Militia of Canada from 1874 to 1880.
• 1 May – Jimmy Corcoran, emigrant to Manhattan.
• 2 July – Edward Vaughan Hyde Kenealy, barrister and writer.
• 5 July – Hedges Eyre Chatterton, Conservative Party MP and Vice-Chancellor of Ireland.
• 8 July – Francis Leopold McClintock, Royal Navy officer, explorer in the Canadian Arctic Archipelago.
• 25 July – John J. Conroy, bishop of the Roman Catholic Diocese of Albany .
• 10 September – Joseph M. Scriven, poet, hymnodist and philanthropist.
• 25 September – George Salmon, mathematician and theologian.
• 28 December – Arthur Hunter Palmer, politician in Australia.
• Nicholas Joseph Crowley, portrait painter.
• Edwin Hayes, English-born marine watercolourist.
• Henry Wellesly McCann, farmer and politician in Canada.
• Joseph Neale McKenna, banker and politician.

  Deaths

• 6 September – William Beresford, 1st Baron Decies, Anglo-Irish clergyman.
• 26 September – James Towers English, mercenary.
• 27 November – Gustavus Conyngham, privateer.
• 10 December – Euseby Cleaver, Archbishop of Dublin .
• Thomas Meredith, clergyman and mathematician.
• James O'Hara, military officer and businessman in the United States.