Liam Neeson was born in Ballymena, Northern Ireland.
Saoirse Ronan
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Saoirse Ronan is an American-Irish actress.
Colin Farrell
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The actor was born in Castleknock, a suburb of Dublin, Ireland.
Elizabeth Banks
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The actress comes from a lineage that includes England, Ireland and Scotland.
Harrison Ford
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The actor's ancestors are Irish, German and Russian.
Ruth Negga
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Ruth Negga is an Irish-Ethiopian actress.
Jamie Dornan
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Jamie Dornan was destined for a career in film, born in Holywood, a town in Down, Ireland!
Courteney Cox
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The former Friends star is of British, Scottish, Welsh and Irish descent.
Brendan Gleeson
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Brendan Gleeson was born in Dublin, Ireland.
Olivia Wilde
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The actress' family is from Europe. Some of her members are Irish, with others coming from Scotland and Germany.
Chris O'Dowd
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Chris O'Dowd was born in Boyle, Ireland.
Drew Barrymore
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The actress' family hails from England, Ireland and Germany.
Gabriel Byrne
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Gabriel Byrne was born in Dublin, Ireland.
Megan Fox
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The actress' family is from the north of Ireland, but also from England, Germany and France.
Colm Meaney
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Colm Meaney was born in Dublin, Ireland.
Hilary Duff
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The singer and actress comes from a lineage that originated in England, Scotland and Northern Ireland.
Daniel-Day Lewis
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Daniel-Day Lewis is British-Irish,
Jennifer Aniston
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Jennifer Aniston's mother Nancy Dow is of Irish descent.
Stephen Rea
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Stephen Rea was born in Belfast, Northern Ireland.
Carmen Electra
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The star's ancestors are Irish, German and Cherokee Nation.
Michael Fassbender
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Michael Fassbender is German-Irish.
Jenny McCarthy
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The star is of Irish, German and Polish descent.
Domhnall Gleeson
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Domhnall Gleeson was born in Dublin, Ireland.
Mariah Carey
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The singer has Irish, African and Venezuelan ancestry.
Cillian Murphy
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Cillian Murphy was born in Douglas, Ireland.
Sandra Bullock
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The star is of English, Irish, German and French descent.
Jonathan Rhys-Meyers
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Jonathan Rhys-Meyers was born in Drimnagh, a suburb of Dublin, Ireland.
Julia Roberts
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The Georgia native comes from an English, Scottish, Irish and even Swedish family.
Ciarán Hinds
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Ciarán Hinds was born in Belfast, Northern Ireland.
Jennifer Connelly
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The actress' ancestors come from Norway, Ireland, Poland and Russia.
Kenneth Branagh
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Kenneth Branagh was born in Belfast, Northern Ireland.
Miley Cyrus
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The singer has English, Irish, French and German ancestry.
Bono
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Paul David Hewson, aka Bono, was born in Dublin, Ireland.
Katie Holmes
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The star has Quebec, English, Irish and Scottish ancestry.
Pierce Brosnan
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Born in Ireland in Drogheta, he has also lived in London and Scotland.
Emma Stone
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The star is of Swedish, Scottish, Irish and English descent.
Brad Pitt
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The actor's ancestors are from the United Kingdom, Scotland and Northern Ireland.
Fiona Shaw
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Fiona Shaw was born in Cobh, Cork County, Ireland.
Ben Stiller
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The actor has ancestors from Poland and Ireland.
Katherine Heigl
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The actress has German and Irish heritage.
George Clooney
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The actor's ancestors come from Ireland, Germany and England.
Lindsay Lohan
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The American actress is of Irish, German and Italian descent.
Tom Cruise
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The actor has ancestry from Ireland, Germany, Scotland and England.
Mischa Barton
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The star is of Irish and English descent.
Sean Penn
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The American actor is of Irish, Italian, Lithuanian and Russian descent.
Halle Berry
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The actress' mother is from the United Kingdom, with Irish ancestry.
Robert Downey Jr.
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The actor hails from Scotland, Ireland, Germany and German Switzerland.
Denise Richards
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The actress is the descendant of a German, Quebecois, Irish and English family.
Ben Affleck
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The actor has Irish, English, Swedish or French ancestry.
Amy Adams
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Actress Amy Adams' ancestors are English, Danish, Norwegian or Irish.
Ashton Kutcher
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The actor's ancestors came from Ireland, Germany, and some were bohemian.
Vanessa Hudgens
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The actress has Irish, Spanish and Filipino heritage.
Mark Wahlberg
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The actor comes from ancestors born in Sweden, Quebec, Ireland and England.
Anne Hathaway
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The actress' distant family is French, Irish, and First Nations American.
Will Ferrell
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The comedy star comes from British, German, Irish and French ancesters.
Jennifer Lawrence
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The movie star is of English, German, Irish and Scottish descent.
Matthew McConaughey
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The actor comes from a family born in England, Scotland, Ireland and Sweden.
Demi Lovato
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The singer comes from a lineage that includes England, Ireland, Italy and Mexico.
Vince Vaughn
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The actor has Italian, English, Irish and German heritage.
Zooey Deschanel
Credit: WENN
The actress is of French, Swiss, English and Irish descent.