She is best known for her role as Claire Fraser in the Starz drama series Outlander, for which she has won two People’s Choice Awards, two Saturn Awards, and an Irish Film and Television Award, and received four Golden Globe Award nominations for Best Actress – Television Series Drama.
Balfe was born in Dublin, and grew up in the village of Tydavnet, near Monaghan, in a family of seven. Her father is a retired Garda Sergeant.
As of 2014, she was based in Glasgow, having previously lived in Los Angeles when she started acting professionally, and in New York City, Paris, London, Milan, Hamburg, and Tokyo while she worked as a model. In addition to English, she is a fluent speaker of the Irish language and is conversant in French.
She is a patron of the organisation World Child Cancer. In April 2018, she ran the London Marathon raising $39,623.69 in support of the organization.
Caitriona married Scottish music producer Anthony McGill in August 2019.