1909 in Ireland

• 31 October – The Royal University of Ireland was dissolved.
• 14 December – Ernest Shackleton delivered a lecture entitled Nearest the South Pole in the large hall of the National University in Dublin.
• 31 December – Harry Ferguson became the first person to fly an aircraft in Ireland, in a monoplane he designed and built himself.
• The Mater Infirmorum Hospital in Belfast was officially recognised as a university teaching hospital.
• Fieldwork for the multidisciplinary Clare Island Survey commenced under the direction of Robert Lloyd Praeger.

• 1 April – Lennox Robinson's first play, The Cross Roads, was performed at the Abbey Theatre in Dublin; he became the theatre manager later in the year.
• 22 July – Widowed Irish painter John Lavery married Irish American painter Hazel Martyn.
• 20 August – The tenor Enrico Caruso performed at the Theatre Royal in Dublin.
• 20 December – The first dedicated cinema in Ireland, the Volta Cinematograph, opened in Dublin under the management of writer James Joyce.{{cite book|title=James Joyce|author-link=Richard Ellmann|first=Richard|last=Ellmann|publisher=Oxford University Press|location=New York|orig-year=1959|year=1982|page=303|isbn=0-19-281465-6}}
• Herbert Hughes' collection of folk songs, Irish Country Songs, was published, including "She Moved Through the Fair" with words largely composed by Padraic Colum.
• Ella Young's first work of Irish folklore, The Coming of Lugh, was published.

• ;International
• 13 February – England 4–0 Ireland (in Bradford){{cite book | last=Hayes, Dean| year=2006 |title=Northern Ireland International Football Facts | publisher=Appletree Press | location= Belfast|isbn=0-86281-874-5 | page=1}}
• 15 March – Scotland 5–0 Ireland (in Glasgow)
• 20 March – Ireland 2–3 Wales (in Belfast)

• ;Irish League
• :Winners: Linfield F.C.

• ;Irish Cup
• :Winners: Cliftonville F.C. 0–0 draw; replay result 2-1 Bohemian F.C.

• 9 January – Patrick Peyton, priest who promoted the Rosary (died 1992).
• 30 January – George Crothers, cricketer (died 1982 in Northern Ireland).
• 1 February – Timothy McAuliffe, Labour Party politician (died 1985).
• 8 March – Francis MacManus, novelist (died 1965).
• 3 April – Knox Cunningham, barrister, businessman, and Ulster Unionist politician (died 1976).
• 19 April – Conel Hugh O'Donel Alexander, cryptanalyst, chess player, and chess writer (died 1974).
• 24 April –
• Robert Farren (Roibeárd Ó Faracháin), poet (died 1984).
• David Beers Quinn, historian (died 2002).{{cite web|last1=Dutton|first1=David|title=Obituary: David Quinn|url=https://www.theguardian.com/news/2002/apr/06/guardianobituaries.highereducation|website=The Guardian|access-date=11 January 2018|date=6 April 2002}}
• 30 April – F. E. McWilliam, sculptor (died 1992).
• 4 June – Robert Dudley Edwards, historian (died 1988).
• 7 July – Cecilia Thackaberry, Presentation Sisters nun, killed in Nigeria performing relief work (died 1969).
• 24 July – Geoffrey Bing, lawyer and Labour politician in UK (died 1977 in Northern Ireland).
• 31 July – Martin White, Kilkenny hurler (died 2011).
• 1 August – W. R. Rodgers, writer, broadcaster, teacher, and Presbyterian minister (died 1969).
• 4 October – Paddy Moore, association football player (died 1951).
• 7 October – Michael O'Neill, nationalist politician and Member of Parliament (MP) (died 1976).
• 20 October – James Patrick Scully, awarded George Cross for valour in 1941 in Liverpool in rescuing people from a bomb damaged building.
• 28 October – Francis Bacon, painter (died 1992).
• 4 November – Sir Basil Goulding, 3rd Baronet, cricketer, squash player, and art collector (died 1982).
• 29 November – James Auchmuty, historian (died 1981).
• ;Full date unknown
• Muriel Brandt, artist (died 1981 in Northern Ireland).
• Jack Stanley Gibson, surgeon and writer (died 2005).
• Gabriel Hayes, sculptor, designer of Irish coins (died 1978).
• W. R. Rodgers, poet and writer (died 1969 in Northern Ireland).

• 10 January – John Conness, United States Senator from California 1863–1869 (born 1821).
• 4 February – James Lynam Molloy, poet, songwriter, and composer (born 1837).
• 3 March – Bishop Richard Owens, Bishop of Clogher 1894–1909 (born 1840).
• 19 March – Charles Guilfoyle Doran, Clerk of Works at St Colman's Cathedral, Cobh (born 1835).
• 24 March – William Lundon, Irish Parliamentary Party MP (born 1839).
• 24 March – John Millington Synge, author and playwright (Hodgkin's disease).
• 4 April – Sir Theobald Burke, 13th Baronet (born 1833).
• 22 May – Sir Rowland Blennerhassett, 4th Baronet, Liberal Party MP (born 1839).
• 3 June – Charlotte Grace O'Brien, political and social activist, writer, and plant collector (born 1845).
• 15 July – George Tyrrell, expelled Jesuit priest and Modernist Catholic scholar (born 1861).
• 1 December – William Joseph Corbet, nationalist politician and MP (born 1824).

• 1909 in Scotland
• 1909 in Wales

{{reflist}}

{{Years in Ireland}}

Category:1900s in Ireland

Ireland

Category:Years of the 20th century in Ireland

Ireland