Sarah Bolger was born in Dublin on February 28, 1991 to butcher Derek Bolger and his wife Monica. She also has a younger sister, actress Emma (born January 5, 1996). She attended the young People’s Theatre School in Dublin and Loreto High School.
In 2003, she starred with her sister Emma in the Jim Sheridan film “in America”, where she played ten-year-old Christy, who, along with her sister Ariel (Emma Bolger), helps her parents save the family from collapse. In 2006, she was Alex Pettifer’s partner in the film “Thunderbolt” as Sabine. From 2008 to 2010, she played Princess Mary, the eldest daughter of Henry VIII in the TV series the Tudors. Also released in 2008 was a film adaptation of a series of children’s books with her participation “Spiderwick: Chronicles”, where she had the role of Mallory grace.