Others
- Arthur Wellesley, 1st Duke of Wellington – Field Marshal (Defeated Napoleon at Waterloo), Commander-in-Chief of the British Army and British Prime Minister
- Peter Lacy – Russian Field Marshal
- José de Ribas – Imperial Russian Admiral, wars with Ottomans
- Aidan of Lindisfarne – Saint
- Steve Allen – Irish/American musician, comedian, writer and first host of The Tonight Show
- Rosanna Davison – Miss World 2003
- Eamonn Andrews – TV personality, producer and businessman
- Todd Andrews – civil servant
- Sir Alfred Chester Beatty – Mining magnate
- George Berkeley – Philosopher
- Seán Brady – Roman Catholic Archbishop of Armagh and Primate of All Ireland
- Brigid of Kildare – Irish saint and bishop
- Brigh Brigaid – 1st century Irish judge
- Amanda Byram – Broadcaster
- Gay Byrne – Broadcaster and presenter of The Late Late Show (1962–1999)
- Graham Cantwell – Director
- Nellie Cashman – Gold prospector in the United States; born in County Cork
- Harry Clarke – stained glass Artist
- Desmond Connell – Roman Catholic Cardinal of Ireland
- Tom Crean – Explorer
- Moya Doherty – Impressario
- Bishop James Doyle – Bishop
- Jim Duffy – Irish advisor to Australia's Republic Advisory Committee
- Saint Dymphna – Irish saint
- Margaretta Eagar – Limerick Born Governess to the last Russian Royal Family
- Robin Eames – Church of Ireland Archbishop of Armagh and Primate of All Ireland
- Johannes Scotus Eriugena – Theologian (b. 810)
- Michael Anthony Fleming – Bishop of St. John's, Newfoundland and Labrador
- Brian Gibbons – Welsh politician
- Glenda Gilson – Model
- Veronica Guerin – Journalist, murdered by drug-dealers in 1996
- Mary, Lady Heath – Early aviator
- Sir William Johnson, 1st Baronet – Pioneer settler of America
- Pat Kenny – Broadcaster & Presenter of The Late Late Show (1999–present)
- Lord Killanin – former head of the International Olympic Committee
- James Larkin – Labour leader
- Eliza Lynch – Mistress of Francisco Solano López, Paraguayan dictator
- Catherine McAuley – Founder the Sisters of Mercy
- Dubhaltach Mac Fhirbhisigh – Scribe, Translator, Historian and Genealogist
- Catherine McGuinness – Justice of the Supreme Court of Ireland, President of the Law Reform Commission
- Edward MacLysaght – Chief Herald of Ireland, 1943–54
- Martin Maher – Famed cadet instructor at the United States Military Academy
- Diarmuid Martin – Roman Catholic Archbishop of Dublin and Primate of Ireland
- Edward Martyn – Co-founder of the Irish Literary Theatre
- John McKenna – Liverpool FC manager
- Annie Moore – 1st Person to pass through Ellis Islands Immigration system
- John Moore – Director
- Dermot Morgan – Satirist and star of Father Ted
- Kevin Murphy – Ombudsman and Information Commissioner
- Ronan Murphy - Notable student
- Seosamh Ó Duibhginn- Writer, Editor, Publisher, Republican and Gaelic language activist.
- Graham Norton – TV personality and actor
- Pat O'Connor – Director
- Gráinne O'Malley – Gráinne Ní Mháille, pirate queen
- Emily O'Reilly – Journalist, Ombudsman and Information Commissioner
- Katharine O'Shea – Mistress of Charles Stewart Parnell
- Saint Patrick – Irish patron saint
- Horace Plunkett – founder of co-operative movement
- Phoebe Prince – Victim of bullycide
- Ernest Shackleton – Explorer
- Ray Shah - DJ & Radio Personality
- Gerard Slevin – Chief Herald of Ireland, 1954–81
- Ed Sullivan – Irish/American entertainment writer and television host
- Timothy Smiddy – Academic, Economist, Ireland's first ambassador
- Sarah Travers, BBC Newsline newsreader attended Dominican College and lives in Portstewart.
- Philip Treacy – Milliner
- Ryan Tubridy – Entertainer
- Louis Walsh – Music manager and television personality
- Terry Wogan – TV and radio "personality"
Read more about this topic: List Of Irish People