1940s|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. 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.
3 December - A settlement on the boundary question between the Irish Free State and Northern Ireland is presented in London. Controversially, the commission recommends no change to the border.
Tuam workhouse becomes the Bon Secours Mother and Baby Home, a Magdalene asylum.
6 March - Establishment of An Gúm as part of the Department of Education by Ernest Blythe, Minister for Finance, to promote publications in Irish.
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.
League of Ireland
The All-Ireland Champions are Tipperary (hurling) and Galway (football)
First Fastnet Race
1 May - Edmund Fitzgibbon, Bishop of the Roman Catholic Diocese of Warri in Nigeria.
17 May - Michael Herbert, Fianna Fáil TD and MEP (died 2006)
27 May - Martin O'Toole, Fianna Fáil TD and senator. (died 2013)
3 June - Tom Scannell, soccer player.
16 June - Ian Anderson, President of the Legislative Council of the Isle of Man (died 2005).
16 July - Joe Lynch, actor (died 2001).
26 August - Thomas Finnegan, Bishop of Killala (1987–2002)
28 August - Robin Lawler, soccer player (died 1981).
1 September - Michael J. Cleary, Roman Catholic Bishop of the Diocese of Banjul, Gambia.
16 September - Charles Haughey, Taoiseach and leader of Fianna Fáil (died 2006).
15 September - Jerry Cronin, Fianna Fáil TD Cabinet Minister and MEP (died 1990).
1 October - Brendan O'Dowda, tenor singer (died 2002).
18 October - George Colley, Fianna Fáil TD, held six Ministerial posts including Tánaiste (died 1983).
30 October - Reg Ryan, soccer player (died 1997).
22 December - Lewis Glucksman, businessman, philanthropist, patron of the Lewis Glucksman Gallery at UCC (died 2006).
Anthony Cronin, poet.
Willie John Daly, Cork hurler.
Ciaran MacMathuna, broadcaster, music collector.
Nick O'Donnell, Kilkenny and Wexford hurler (died 1988).
Maureen Potter, singer, actress and comedian (died 2004).
Mick Ryan, Tipperary hurler (died 2007).
17 February - George Sigerson, surgeon and writer, member of the 1922 Seanad.
7 June - Matt Talbot, manual labourer and ascetic (born 1856).
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 (born 1835).
27 October - Darrell Figgis, writer, Sinn Féin activist and independent politician (born 1882).
28 October - George W. Joy, painter (born 1844).
4 November - Paddy Hannan, gold prospector whose discovery in 1893 near Kalgoorlie, Western Australia set off a gold rush (born 1840).
Eglantyne Louisa Jebb, social reformer (born 1845).
1925 in Ireland Wikipedia
Events from the year 1925 in Ireland.