Jeff Hahne / Getty Images
Musician and singer-songwriter Andrew Hozier-Byrne, better known as Hozier, was born March 17, 1990. He gained notoriety with his hit single 'Take Me to Church.'
Frazer Harrison / Getty Images
James "Jamie" Dornan, born May 1,1982 played Christian Grey, in the film 'Fifty Shades of Grey' and Sheriff Graham Humbert in the series 'Once Upon a Time.
Timothy Hiatt / Getty Images
Stuart Townsend was born December 15, 1972, in Howth, County Dublin. His most notable roles are of the characters Lestat de Lioncourt in the 2002 film adaptation of Anne Rice's 'Queen of the Damned,' and Dorian Gray in the 2003 film adaptation of Alan Moore's 'The League of Extraordinary Gentlemen.'
Jason Merritt / Getty Images
Roma Downey was born May 6, 1960 and raised in Derry, Northern Ireland. She is most famous for playing angel Monica on the TV series 'Touched by an Angel.'
She was also the executive producer of the TV miniseries 'The Bible,' in which she also played the role of Mother Mary. Downey and her husband Mark Burnett produced the movie version of the series, 'Son of God.,'
Anthony Harvey / Getty Images
Actor and comedian Chris O'Dowd was born and raised in Boyle, County Roscommon, Ireland on October 9, 1979. He is known for playing Thomas-John, a wealthy venture capitalist who begins a romance with Jessa on the hit series 'Girls.' He has also appeared in the comedy 'The IT Crowd' and several films, including 'Gulliver's Travels,' 'Bridesmaids" and 'This Is 40.'
Schalk Van Zuydam / AP
Born Paul David Hewson, Bono is an Irish singer, musician, and humanitarian best known for being the lead vocalist for the Irish supergroup U2. He was born May 10, 1960, in Dublin.
Ian Gavan / Getty Images
Colin Farrell was born May 31, 1976, in Dublin, Ireland. The actor has starred in such films as "Miami Vice," "Minority Report," Phone Booth," "The Recruit" and "Alexander."
Peter Kramer / AP
Actor Pierce Brosnan was born on May 16, 1953, in Drogheda, County Louth, Ireland. He rose to popularity in the television series "Remington Steele" in the mid '80s. In 1995, he became the fifth actor to portray James Bond in the film series.
Kevin Winter / Getty Images
George Ivan Morrison was born on Aug. 31,1945, in Bloomfield, Belfast, Northern Ireland. The singer-songwriter has won six Grammy awards and has been inducted into the Rock and Roll Hall of Fame.
Gareth Cattermole / Getty Images
Actor Gabriel Byrne was born on May 12, 1950, in Crumlin, Dublin. His films include "The Usual Suspects," "Miller's Crossing," and "Stigmata." He also starred in the critically acclaimed HBO series "In Treatment."
Frazer Harrison / Getty Images
Enya, born Eithne Patricia Ní Bhraonáin, was born on May 17, 1961, in Gweedore County, Donegal. Ireland's best-selling solo musician sold 15 million copies of her 2000 album "A Day Without Rain." She's won four Grammy awards.
Valerie Macon / Getty Images
Kenneth Branagh, a Northern Irish actor and film director, was born Dec. 10, 1960, in Belfast. He has achieved acclaim as a stage actor and is a four-time Academy Award nominee -- most notably for directing and acting for "Henry V."
Alberto E. Rodriguez / Getty Images
Actor Cillian Murphy was born May 25, 1976, in Ballintemple, Cork. Murphy and his piercing eyes gained recognition in 2005 with two high-profile villain roles: Scarecrow in "Batman Begins," and Jackson Rippner in "Red Eye."
Kristian Dowling / Getty Images
Sinéad O'Connor was born Dec. 8, 1966, in Glenageary in County Dublin. The outspoken singer rose to fame in the late 1980s with her debut album "The Lion and the Cobra."
Dave Hogan / Getty Images
Jonathan Rhys Meyers was born July 27, 1977, in Dublin. The actor is best known for his roles in "Velvet Goldmine," "Bend it Like Beckham," and "Match Point." on television he has starred in the miniseries "Elvis," and as King Henry VIII on the Showtime series "The Tudors."
Astrid Stawiarz / Getty Images
Peter O'Toole was born on Aug. 2, 1932, in Connemara, County Galway. The legendary actor of stage and screen gained stardom in 1962's "Lawrence of Arabia." He has been nominated for eight Academy Awards without a win and was given an honorary Oscar in 2003.
Michael Caulfield / Getty Images
Liam Neeson was born June 7, 1952, in Ballymena, County Antrim. The actor's varied roles have included Oskar Schindler in "Schindler's List," Alfred Kinsey in "Kinsey" and Qui-Gon Jinn in "Star Wars Episode I: The Phantom Menace."