1930 in Ireland

• Governor-General: James McNeill
• President of the Executive Council: W. T. Cosgrave (CnaG)
• Vice-President of the Executive Council: Ernest Blythe (CnaG)
• Minister for Finance: Ernest Blythe (CnaG)
• Chief Justice: Hugh Kennedy
• Dáil: 6th
• Seanad: 1928 Seanad

• John Dulanty begins a 20-year spell as Ireland's High Commissioner (later, Ambassador) to London.{{cite web|title=1930: John Dulanty's 20-year stint representing Ireland in London|url=https://www.dfa.ie/about-us/ourhistory/100years/1930-1939/1930/|publisher=Department of Foreign Affairs|accessdate=2021-11-21}}
• 31 December – Mayo County Council is dissolved by ministerial order for refusing to appoint Miss Letitia Dunbar-Harrison to the position of county librarian on the grounds that she is a Protestant.{{Cite book|title=The Curious Case of the Mayo Librarian|last=Walsh|first=Pat|date=2009|publisher=Mercier Press|isbn=9781856356152|location=Cork}}

• 1 July – George Shiels' play The New Gossoon is premiered at the Abbey Theatre, Dublin.
• 28 August – a painting by the Dutch artist Rembrandt, found in an Irish cottage, is authenticated.
• 17 November – W. B. Yeats' 1-act play The Words Upon The Window Pane is premiered at the Abbey Theatre, Dublin.{{cite web|title=The Words Upon The Window Pane|url=http://www.irishplayography.com/play.aspx?playid=32188|work=Playography Ireland|publisher=Irish Theatre Institute|access-date=2020-08-11}}
• Samuel Beckett's first separately issued work, the poem Whoroscope, is published by Nancy Cunard's Hours Press in France.{{cite book|editor=Cox, Michael|title=The Concise Oxford Chronology of English Literature|publisher=Oxford University Press|year=2004|isbn=0-19-860634-6|url-access=registration|url=https://archive.org/details/conciseoxfordchr00coxm}}
• George Moore publishes Aphrodite in Aulis and A Flood.
• 'Æ' (George William Russell) publishes Enchantment, and Other Poems.

• ;League of Ireland
• :Winners: Bohemians
• ;FAI Cup
• :Winners: Shamrock Rovers 1 – 0 Brideville

• Irish Open is won by Charles Whitcombe (England).

• Irish International Grand Prix is won by Rudolf Caracciola (Mercedes-Benz SSK)

• 4 January – Tras Honan, Fianna Fáil politician, twice Cathaoirleach of Seanad Éireann
• 7 January – Justin Keating, senior Irish Labour Party politician, Teachta Dála, Cabinet Minister, Member of the European Parliament and member of Seanad Éireann (died 2009)
• 12 January – Jennifer Johnston, novelist and playwright
• 18 January – Breandán Ó hEithir, journalist and broadcaster working in Irish and English languages (died 1990)
• 22 February – David Cremin, Bishop Emeritus of the Roman Catholic Archdiocese of Sydney
• 30 March – Fergus O'Brien, Fine Gael TD and Minister of State
• 13 March – Don Cockburn, television newsreader (died 2017)
• 1 April – Frank Cluskey, leader of the Irish Labour Party (died 1989)
• 12 April – Patrick Pery, 6th Earl of Limerick, peer and public servant (died 2003)
• 26 April – Jack Fitzsimons, architect, member of Seanad Éireann and campaigner (died 2014)
• 10 May – William McDermott, Bishop of the Roman Catholic Diocese of Huancavélica, Peru
• 13 June – Billy Ringrose, equestrian (died 2020)
• 27 June – Enda McDonagh, priest (died 2021)
• 28 June – William C. Campbell, parasitologist, recipient of the Nobel Prize in Physiology or Medicine
• 13 August – Frank Durkan, lawyer in the United States (died 2006)
• 19 August – Frank McCourt, teacher and writer (died 2009)
• 29 August – Mícheál Ó Muircheartaigh, Gaelic games commentator for Radio Telifís Éireann
• 30 August – Kieran Crotty, Fine Gael TD
• 9 September – Des Hanafin, Fianna Fáil politician, member of Seanad Éireann (died 2017)
• 14 September – George Eogan, archaeologist, member of Seanad Éireann (died 2021)
• 26 September – Joe Sherlock, Labour Party TD (died 2007)
• 1 October – Richard Harris, actor (died 2002)
• 5 October – Sean Potts, tin whistle player with The Chieftains (died 2014)
• 11 October – Joan O'Hara, actress (died 2007)
• 22 October – Philomena Lynott, entrepreneur and memoirist (died 2019)
• 23 October – Thomas Flanagan, Auxiliary Bishop of the Diocese of San Antonio (died 2019)
• 4 November – Gerry Duffy, cricketer
• 17 November – Brian Lenihan, Fianna Fáil TD, Cabinet Minister, senator and presidential candidate (died 1995)
• 15 December – Edna O'Brien, novelist and short story writer (died 2024)
• ;Full date unknown
• :*Edward Delaney, sculptor
• :*Maeve Kelly, writer
• :*Seán Ó Coisdealbha, poet, playwright and actor (died 2006)
• :*Bertie Troy, priest, hurler and All-Ireland winning manager with Cork (died 2007)

• 26 September – Dick Fitzgerald, Kerry Gaelic footballer (born 1882)
• 29 September – Bryan Mahon, British Army general, Commander-in-Chief, Ireland and Senator (born 1862)
• 1 October – James Whiteside McCay, Lieutenant General in the Australian Army, member of the Victorian and Australian Parliaments (born 1864)
• 31 October – Pierce Charles de Lacy O'Mahony, Nationalist politician, barrister and philanthropist (born 1850)
• 30 November – Mary Harris "Mother" Jones, labor and community organizer, member of the Industrial Workers of the World, and socialist in the United States (born 1830)

{{reflist}}

• https://web.archive.org/web/20170524052441/http://www.irishdeathnotices.ie/

{{Years in Ireland}}

{{Year in Europe|1930}}

{{DEFAULTSORT:1930 in Ireland}}

Category:Years of the 20th century in Ireland

Ireland