1933 in Ireland

Incumbents

• Governor-General: Domhnall Ua Buachalla
• President of the Executive Council: Éamon de Valera

  Events

• 4 February – Fianna Fáil, led by Éamon de Valera, win their first overall majority in Dáil Éireann. He is welcomed in his own constituency in County Clare where 77 horsemen and 77 torchbearers who light 77 tar barrels in honour of the 77 seats won by the party.
• 21 February – representatives from the Netherlands and Germany arrive in Galway to inspect the site of a proposed new £3 million airport.
• 22 February – General Eoin O'Duffy is removed from his post as Commissioner of an Garda Síochána.
• 27 February – four people die in the great snowstorm that is gripping the country.
• 2 March – a vote to remove the Oath of Allegiance to the British Crown is carried by 71 to 38.
• 17 March – Éamon de Valera gives a State reception in St. Patrick's Hall of Dublin Castle, the first since the foundation of the state.
• 17 April – Ireland's first parachute jump, executed by Joseph Gilmore, is successful.
• 3 May – in Dáil Éireann the Bill to abolish the Oath of Allegiance is passed.
• 10 August – General Eoin O'Duffy outlines his proposals for remodelling parliament. He favours a system of representatives from vocational and professional groups.
• 15 August – the Cistercians' Mount Melleray Abbey in County Waterford celebrates its centenary.
• 23 August – the Sugar Manufacture Act provides for nationalisation of the sugar beet processing industry to ensure self-sufficiency.
• 2 September – the United Ireland Organisation is formed as Cumann na nGaedheal, the National Centre Party and the National Guard agree to merge under the leadership of Eoin O'Duffy. W. T. Cosgrave will lead the party in Dáil Éireann.
• 14 September – the United Ireland movement, which has adopted the title 'Fine Gael', will contest the general election in October as a political party.
• 8 December – the Blueshirts are banned by the Fianna Fáil government.
• Scottish Democratic Fascist Party founded by William Weir Gilmour and Major Hume Sleigh to oppose Irish Catholic migration to Scotland.

  Arts and literature

• 6 February – première of Lennox Robinson's comedy Drama at Inish at the Abbey Theatre, Dublin.
• 28 March – première of Christine Longford's comedy Mr. Jiggins of Jigginstown at the Gate Theatre, Dublin.
• Winifred Mary Letts publishes her memoir Knockmaroon.
• Maurice O'Sullivan publishes his memoir Fiche Bliain ag Fás / Twenty Years A'Growing.
• W. B. Yeats publishes his Collected Poems and The Winding Stair and Other Poems.

  Sport

Football

• ;League of Ireland
• :Winners: Dundalk
• ;FAI Cup
• :Winners: Shamrock Rovers 3–3, 3–0 Dolphins

  Golf

• Irish Open is won by Bob Kenyon.

  Births

• 1 January – Jeremiah Coffey, Roman Catholic Bishop of the Diocese of Sale, Australia.
• 11 March – Lochlainn O'Raifeartaigh, physicist responsible for the O'Raifeartaigh Theorem and the O'Raifeartaigh Model of supersymmetry breaking.
• 24 April – Liam Hyland, Fianna Fáil Senator, TD and MEP.
• 27 April – Liam Tuohy, soccer player and manager.
• 3 May – John O'Leary, Fianna Fáil TD.
• 13 May – Martin O'Donoghue, economist, Fianna Fáil TD, Cabinet Minister and Seanad Éireann member.
• 14 May – Frank Harte, singer and song collector.
• 23 June – Proinsias Mac Aonghusa, journalist, broadcaster, chairman Bord na Gaeilge, president Conradh na Gaeilge.
• 13 July – Frank Prendergast, Labour Party TD and Mayor of Limerick.
• 14 July – John Beresford, 8th Marquess of Waterford, peer.
• 22 July – Tommy Traynor, soccer player.
• 18 August – Fiachra Ó Ceallaigh OFM, Auxiliary Bishop of Dublin from 1994.
• 20 August – Michael O'Halloran, politician in the UK.
• 11 September – Amby Fogarty, soccer player.
• 19 September – Michael Howard, Fine Gael Senator.
• 22 October – Ronnie Nolan, soccer player.
• 29 October – Joseph Cassidy, Roman Catholic Archbishop of Tuam.
• 5 December – Edward Daly, Catholic Bishop of Derry.
• 15 December – Sam Stephenson, architect.
• ;Full date unknown
• :*Kieran Carey, Tipperary hurler.
• :*Fergus Crawford, soccer player.
• :*Jack Mahon, Gaelic footballer with Galway.
• :*Tony O'Donohue, municipal politician in Toronto, Ontario, Canada.
• :*Owen Walsh, artist.

  Deaths

• 21 January – George Moore, novelist, poet, art critic and dramatist.
• January – Bowman Malcolm, railway engineer.
• 7 March – Thomas O'Shaughnessy, lawyer and judge.
• 19 March – E. Temple Thurston, poet, playwright and author.
• 23 April – Matilda Cullen Knowles, lichenologist.
• 7 June – Matthias McDonnell Bodkin, Nationalist politician, lawyer and journalist.
• 16 June – Denis O'Donnell, entrepreneur.
• 29 June – Countess of Desart, Independent member of the 1922 Seanad and remained a member until her death.
• 1 July – P. H. McCarthy, labour leader and mayor of San Francisco.
• 10 July – Francis Fitzpatrick, recipient of the Victoria Cross for gallantry in 1879 during an attack on Sekukuni's Town, South Africa.
• 2 August – James McCombs, politician in New Zealand.
• 7 December – James Cullen, priest and mathematician.
• 8 December, John Joly, scientist.
• ;Full date unknown
• :*Caspar Phair, Gold Commissioner in British Columbia.