Yvonne McGuinness was born on October 12, 1972 in Kilkenny, Ireland. She has been married to Cillian Murphy since August 1, 2004. They have two children.
Holds a Master of Arts degree from the Royal College of Art in London. Her visual art focuses on subject matter concerned with place, time and community.
Her uncle is Irish politician John McGuinness of the Fianna Fáil party.