Maria Doyle Kennedy (born 25 September 1964) is an Irish actress, composer, singer, songwriter, musician, theatre artist, orchestrator and educator. She is best known for her roles as Queen Catherine of Aragon in The Tudors and Mrs. Siobhan Sadler in Orphan Black.Kennedy was born in Clontarf, Dublin. She graduated from Trinity College, Dublin with a joint honours degree in political science and business.

Musical career
In 2001, Kennedy released music on Mermaid Records, a label she founded herself. Her debut solo album Charm was released in 2001. She coordinated Sirens which is a compilation album of female artists and which was released in 2003. She released an album Skullcover consisting of cover versions in 2005, and Mütter in 2007. Kennedy’s new album with her husband Kieran is called The Storms Are On the Ocean.

Both of her solo albums have been nominated for Meteor awards and her forthcoming project sees her teamed with U.S. country music legend John Prine, Damien Rice and Paul Brady. Sing was released September 2012 and reached no 4 in Irish charts.