1917 in Ireland

Events

• 25 January – armed merchantman sunk by mines off Lough Swilly; 354 killed of 475 aboard.
• 3 February – Count George Noble Plunkett, father of Joseph Mary Plunkett, wins Roscommon North on an abstentionist Sinn Féin platform.
• 7 February – Atlantic liner sunk by Imperial German Navy U-boat southwest of Fastnet Rock; 41 killed.
• 25 February – sunk by northwest of Fastnet Rock; twelve killed.
• 7 March – David Lloyd George announces that Britain is ready to confer self-government to the parts of Ireland that want it. The north-eastern part will not be "coerced".
• 12 March – in the British House of Commons, J. P. Farrell proposes that Ireland be excluded from the operation of the National Services Act.
• 17 March – Booth Line armed merchant liner SS Antony inward bound from South America torpedoed and sunk by west of Coningbeg lightship; 55 killed.
• 20 March – a motion to reduce the salary of the British prime minister by £100 is introduced in the British House of Commons as a protest against the refusal to publish the proceedings of the 1916 Rising courts martial.
• 10 May – Sinn Féin candidate Joseph McGuinness wins a by-election in South Longford against the Irish Parliamentary Party's candidate McKenna. It is a political disaster for John Redmond and his Party.
• 16 May – British prime minister, David Lloyd George, announces that he wants immediate Home Rule for the 26 counties. Six north-eastern counties are to be excluded for a period of five years.
• 16 June – oiler Batoum sunk by U-boat south of Fastnet Rock.
• 18 June – prisoners taken during the Easter Rising, released under an amnesty, arrive at Kingstown by mailboat.
• 10 July – Éamon de Valera of Sinn Féin beats Patrick Lynch, at this time an Irish Parliamentary Party Home Rule candidate, in the East Clare by-election caused by the death on active service of Willie Redmond. One Dublin Castle official calls it 'the most important election that has ever taken place, or ever will, in Irish history.'
• 16 July – the Round Room in the Mansion House, Dublin, is filled to capacity as the leaders of Sinn Féin demand the bodies of the Easter Rising leaders so that they can be given a Christian burial.
• 25 July – large crowds assemble at College Green in Dublin as the Irish Convention meets for the first time.
• August – W. T. Cosgrave elected for Sinn Féin in a by-election in Kilkenny.
• 10 September – Imperial German Navy U-boat is sunk in Cork Harbour, probably by one of her own mines, with the loss of 26 crew.
• 2 October – Royal Navy armoured cruiser is torpedoed by off Rathlin Island with the loss of 18 crew, capsizing later.
• 25 October – 1,700 Sinn Féin delegates attend a convention in the Mansion House and De Valera replaces Arthur Griffith as the organisation's president.
• 17 November – Action of 17 November 1917: Queenstown-based United States Navy destroyers and capture Imperial German Navy U-boat which is scuttled off Kinsale.
• 15 December – Cargo ship SS Formby bound for Waterford from Liverpool is torpedoed and sunk in the Irish Sea by with the loss of all 35 crew. Two days later her sister, SS Coningbeg, making the same passage is sunk nearby by the same German submarine with the loss of all 15 crew.
• Undated – Scoil Bhríde, Ranelagh, founded as the first gaelscoil.

  Arts and literature

• May – W. B. Yeats acquires Thoor Ballylee near Gort.
• August – Anglo-Welsh composer Philip Heseltine begins a year's stay in Ireland.
• Austin Clarke's narrative poem The Vengeance of Fionn is published.
• Francis Ledwidge's poems Songs of Peace are published posthumously.
• Annie M. P. Smithson's first novel Her Irish Heritage is published.
• The first feature film made in Ireland, A Girl of Glenbeigh, starring Kathleen O'Connor, is made by the Film Company of Ireland.

  Sport

Football

• ;Irish League
• :Winners: Glentoran
• ;Irish Cup
• :Winners: Glentoran 2–0 Belfast Celtic

  Gaelic Games

• Football
• ;Senior Football Championship
• :Winners: Wexford
• :Wexford 0–9 : 0–5 Clare
• Hurling
• ;Senior Hurling Championship
• :Winners: Dublin
• :Dublin 5–4 : 4–2 Tipperary

  Births

• 6 January – Maeve Brennan, short story writer and journalist.
• 15 February – Ruairi Brugha, Fianna Fáil TD, Member of the European Parliament, member of the Seanad.
• 18 February – John Keane, Waterford hurler.
• 3 March – Dave P. Tyndall, Jr., businessman.
• 17 March – Brian Boydell, composer, professor of music at Trinity College, Dublin.
• 23 March – Josef Locke, born Joseph McLaughlin, tenor.
• 27 March – Harry West, leader of the Ulster Unionist Party from 1974 to 1979, Stormont MP, Minister for Agriculture.
• 6 April – Jimmy Phelan, Kilkenny hurler.
• 9 April – Vincent O'Brien, race horse trainer.
• 14 April – Valerie Hobson, actress.
• 29 April – Paddy Ruschitzko, Laois hurler.
• 2 May – Con Cottrell, Cork hurler.
• 5 May – Jimmy Murray, Roscommon Gaelic footballer and All-Ireland winning captain.
• 25 May – Havelock Nelson, composer and pianist.
• 17 June – Michael Moynihan, Labour Party Senator and TD.
• 21 July – Simon Curley, cricketer.
• 15 August – Jack Lynch, Taoiseach and leader of Fianna Fáil.
• 1 October – Cahal Daly, Cardinal, Archbishop of Armagh.
• 15 October – Kevin Boland, Fianna Fáil TD, served as Minister for Defence, Minister for Social Welfare and Minister for Local Government.
• 1 November – Michael O'Higgins, Fine Gael TD and Senator.
• 3 November – Conor Cruise O'Brien, newspaper editor, author, diplomat, Labour Party Teachta Dála and Cabinet Minister, Member of the European Parliament.
• 11 November – Michael O'Riordan, veteran of the Spanish Civil War and founder of the Communist Party of Ireland.
• 27 December – Jimmy McAlinden, footballer and football manager.
• Full date unknown – Paddy Grace, Kilkenny hurler.

  Deaths

• 30 January – John McDonald, soldier and Congressman in America.
• 2 April – John Phillips, Member of Parliament for South Longford.
• 17 April – Jane Barlow, poet and novelist.
• 6 May – Thomas Joseph Carr, second Roman Catholic Archbishop of Melbourne, Australia.
• 10 May – Daniel Joseph Sheehan, Royal Naval Air Service and Royal Flying Corps pilot in World War I, killed in action.
• 9 June – William Hoey Kearney Redmond, nationalist politician, barrister, brother of John Redmond, killed in Battle of Messines.
• 31 July – Francis Ledwidge, poet, killed in action during World War I.
• 25 September – Thomas Ashe, took part in the Easter Rising, died following forcible feeding while on hunger strike.
• 4 October – Dave Gallaher, rugby player for New Zealand, killed at Passchendaele.
• 6 December – James Samuel Emerson, soldier, posthumous recipient of the Victoria Cross for gallantry in 1917 on the Hindenburg Line north of La Vacquerie, France.
• 12 December – Charles Bowen, politician in New Zealand.
• 27 December – William John Hennessy, artist.