Maria is best known for her award-winning role as Catherine; she has also co-starred in Season 5 of Dexter (another Showtime series) and currently co-stars in the TV series Orphan Black.
She has also worked extensively in the music industry as a singer, composer/songwriter and musician. Her music is extremely popular in her native Ireland.
Born Maria Josephine Doyle in Dublin, 1964, she studied at Trinity College. She has been married to Kieran Kennedy since 1988, and they have four sons. Maria is a fluent speaker of Irish Gaelic.