1925 in Ireland

Incumbents

• Governor-General: Tim Healy
• President of the Executive Council: W. T. Cosgrave
• Vice-President of the Executive Council: Kevin O'Higgins
• Minister for Finance: Ernest Blythe
• Chief Justice: Hugh Kennedy
• Dáil: 4th
• Seanad:
• * 1922 Seanad
• * 1925 Seanad

  Events

• 11 February – in the Dáil a resolution is passed making it illegal for any citizen to secure a divorce with the right to remarry in the State.
• 10 March – the Prime Minister of Northern Ireland, James Craig, announces the impending dissolution of the parliament. He says the election will be fought on the Boundary Commission issue.
• 16 March – at a meeting of the Irish Boundary Commission in County Down, witnesses from Newry and Kilkeel support being included in the Irish Free State.
• 2 April – the Dublin Metropolitan Police merges with the Civic Guard under a new Act. The new organisation will be known as the Garda Síochána.
• 3 April – the Dáil accepts the government's motion on the Shannon Power Scheme, building a giant hydroelectric dam at Ardnacrusha. Siemens-Schuckert will be the contractors.
• 26 May – the Shannon Electricity Bill is passed in Dáil Éireann. £5.2 million is needed to finance the scheme.
• 1 July – it is announced that Alexander Hull & Co., building contractors, are to re-build the General Post Office, Dublin at a cost of £50,000.
• 9 July – in Dublin, Oonagh Keogh becomes the first female member of a stock exchange in the world.
• 5 August – Annie Walsh becomes the last woman to be executed in Ireland; she had murdered her husband.
• 7 November – The Morning Post, a Conservative London newspaper, publishes a leaked report of the Irish Boundary Commission's proposals for altering the border between the Free State and Northern Ireland, which are contrary to the Free State's view; publication effectively ends the work of the commission.
• 3 December – a settlement on the boundary question between the Irish Free State and Northern Ireland is presented in London. Controversially, there is no change to the border, in exchange for the Free State's liability for service of the U.K. public debt in respect of war pensions being dropped. The agreement is approved during this month by the U.K. and Free State legislatures.
• Tuam workhouse becomes the Bon Secours Mother and Baby Home, a Magdalene asylum.

  Arts and literature

• 6 March – establishment of An Gúm as part of the Department of Education by Ernest Blythe, Minister for Finance, to promote publications in Irish.
• Ernest Blythe, Minister for Finance, arranges an annual government subsidy of £850 for the Abbey Theatre in Dublin, making it the first state-supported theatre in the Anglophone world.
• George Bernard Shaw is awarded the Nobel Prize in Literature.
• Peadar O'Donnell's first novel, Storm, is published.
• Liam O'Flaherty's novel The Informer, set in Dublin in the aftermath of the Civil War, is published and wins the James Tait Black Memorial Prize in fiction.

  Sport

Association football

• ;League of Ireland
• :Winners: Shamrock Rovers
• ;FAI Cup
• :Winners: Shamrock Rovers 2–1 Shelbourne

  Gaelic games

• The All-Ireland Champions are Tipperary and Galway

  Yachting

• First Fastnet Race

  Births

• 3 January – Maureen Potter, singer, actress and comedian.
• 25 January – Willie John Daly, Cork hurler.
• 1 May – Edmund Fitzgibbon, Bishop of the Roman Catholic Diocese of Warri in Nigeria.
• 17 May – Michael Herbert, Fianna Fáil TD and MEP.
• 27 May – Martin O'Toole, Fianna Fáil TD and senator.
• 2 June – Mick Ryan, Tipperary hurler.
• 3 June – Tom Scannell, soccer player.
• 16 June – Ian Anderson, President of the Legislative Council .
• 16 July – Joe Lynch, actor.
• 20 July – Martin Molony, jockey.
• 26 August – Thomas Finnegan, Roman Catholic Bishop of Killala, 1987–2002.
• 28 August – Robin Lawler, soccer player.
• 1 September – Michael J. Cleary, Roman Catholic Bishop of the Diocese of Banjul, Gambia.
• 3 September – Maureen Haughey, née Lemass, wife of Charles Haughey.
• 4 September – Nick O'Donnell, Kilkenny and Wexford hurler.
• 15 September – Jerry Cronin, Fianna Fáil TD, Cabinet Minister and MEP.
• 16 September – Charles Haughey, Taoiseach and leader of Fianna Fáil.
• 1 October – Brendan O'Dowda, tenor singer.
• 18 October
• * George Colley, Fianna Fáil TD, holder of six Ministerial posts including Tánaiste.
• * Jimmy Reardon, Olympic sprinter.
• 30 October – Reg Ryan, soccer player.
• 26 November – Ciarán Mac Mathúna, broadcaster and music collector.
• 22 December – Lewis Glucksman, businessman, philanthropist, patron of the Lewis Glucksman Gallery at UCC.

  Deaths

• 17 February – George Sigerson, surgeon and writer, member of the 1922 Seanad.
• 7 June – Matt Talbot, manual labourer and ascetic.
• 22 June – Matthew Gibney, priest, in 1880 in Australia, tended the seemingly seriously wounded Ned Kelly, heard his confession and gave him the last rites.
• 27 October – Darrell Figgis, writer, Sinn Féin activist and independent politician.
• 28 October – George W. Joy, painter.
• 4 November – Paddy Hannan, gold prospector whose discovery in 1893 near Kalgoorlie, Western Australia set off a gold rush.
• 6 November – Eglantyne Louisa Jebb, social reformer.
• c. November – Percy Hetherington Fitzgerald, literary biographer, drama critic and sculptor.