Remarkable people
Biographies of notable people — their path, achievements and key facts.
Conan O'brien
American television host
Conan Christopher O'Brienis an American television host, comedian, actor, writer, and producer. He is best known for having hosted late-night talk shows, beginning with Late Night with Conan O'Brien (...
Jim O'callaghan
Minister for Justice, Home Affairs and Migration
Jim O'Callaghanis an Irish Fianna Fáil politician who has served as Minister for Justice, Home Affairs and Migration since January 2025. He has been a Teachta Dála (TD) for the Dublin Bay South consti...
Romijn Rebecca O'connell
American actress and former model
Rebecca Alie O'Connellis an American actress and former model. She is known for her role as Mystique in the original trilogy (2000–2006) of the X-Men film series, as Joan from The Punisher (2004) (bot...
Desmond O'connor
English comedian
Desmond Bernard O'Connorwas an English comedian, singer and television presenter. He was a long-time TV chat-show host, beginning with The Des O'Connor Show in 1963, which ran for ten years. He also p...
Sinead O'connor
Irish singer
Sinéad Marie Bernadette O'Connorwas an Irish singer, songwriter, and activist. Her debut studio album, The Lion and the Cobra, was released in 1987 and achieved international chart success. Her 1990 a...
Caitlin O'connor
American actress
Caitlin O'Connor Purdy, better known asCaitlin O'Connor, is an American actress, model and host. Career O'Connor appeared on the series finale of Two and a Half Men on CBS. She has also done a three-e...
George O'dowd
English singer
George Alan O'Dowd, known professionally asBoy George, is an English singer, songwriter, actor, DJ and lead singer of the English pop band Culture Club. He began his solo career in 1987. Boy George gr...
Brian O'driscoll
Irish former professional rugby union player
Brian Gerard O'Driscollis an Irish former professional rugby union player. He played at outside centre for the Irish provincial team Leinster and for Ireland. He captained Ireland from 2003 until 2012...
Barry O'dwyer
Group Chief Executive Officer, Royal London
Barry O’Dwyeris Group Chief Executive Officer of Royal London, the UK’s largest mutual life insurance and pensions company. He was appointed to this position in September 2019. Prior to this, Barry he...
Maggie O'farrell
Novelist
Maggie O'Farrellis a novelist from Northern Ireland. Her acclaimed first novel, After You'd Gone, won the Betty Trask Award and a later one, The Hand That First Held Mine, the 2010 Costa Novel Award. ...
Ronan O'gara
Rugby coach
Ronan John Ross O'Garais an Irish former rugby union player and current coach. O'Gara played as a fly-half and is Ireland's second most-capped player and second highest points scorer. He is currently ...
Paul O'grady
English comedian
Paul James O'Gradywas an English comedian, broadcaster, drag queen, actor, and writer. He achieved notability in the London gay scene during the 1980s with his drag persona Lily Savage, through which ...
Frances Lorraine O'grady
General Secretary of the Trades Union Congress
Frances Lorraine O'Grady(born 9 November 1959) is the General Secretary of the British Trades Union Congress (TUC), the first woman to hold the position. Early life and family O'Grady was born in Oxfo...
Catherine O'hara
Canadian-American actress
Catherine Anne O'Harais a Canadian-American actress, comedian, and screenwriter. She is known for her comedy work on Second City Television (1976–1984) and Schitt's Creek (2015–2020) and in films such...
Dermot O'leary
English-Irish broadcaster
Seán Dermot Fintan O'Learyis an English-Irish broadcaster who currently works for ITV and BBC Radio 2. His radio career began when he worked as a disc jockey at Essex Radio, but he is best known for b...
Michael O'leary
Chief Executive Officer of Ryanair
Michael Kevin O'Learyis an Irish businessman who is the Group CEO of Ryanair. With a net worth of around €848.6 million as of April 2018, he is one of Ireland's wealthiest businessmen. Career O'Leary ...
Hugh O'leary
English accountant
Hugh O'Leary(born 1974) is an English accountant. He is the husband of Liz Truss, who was prime minister of the United Kingdom from September to October 2022. Career O'Leary was born in Allerton, Live...
Peter O'mahony
ish rugby union player
Peter James O'Mahonyis an Irish rugby union player who plays as a flanker for United Rugby Championship club Munster and the Ireland national team. During his career, O'Mahony has captained Presentati...
Teresa O'neill
British Conservative Party politician
Teresa Ann Jude O'Neillis a British Conservative Party politician, Leader of the Council in the London Borough of Bexley; Co President, London Councils; and Deputy Chair of the Local Government Associ...
Kevin O'neill
Consultant Neuro-surgeon at Charing Cross Hospital, Imperial College, London and Chairman of BTRC
Kevin O’Neillis Consultant Neuro-surgeon at Charing Cross Hospital, Imperial College, London and Chairman of BTRC. On a personal note, Kevin has impacted on the lives of many people with brain tumour...