Rose Byrne's Real Name: Mary Rose Byrne

Quick answer: Rose Byrne's real name is Mary Rose Byrne. She was born on July 24, 1979, in Balmain, New South Wales, Australia.

Real name and early life

Britannica lists her in full as Mary Rose Byrne, born July 24, 1979, in Balmain, a Sydney suburb. The Library of Congress name authority records Byrne, Rose. The youngest of four siblings, she studied at the Australian Theatre for Young People from age eight, attended Bradfield Senior College's drama program, briefly studied English at the University of Sydney, then trained at New York's Atlantic Acting School.

She began working as a teen in Australian film and TV, including Dallas Doll (1994) and the soap Echo Point, before winning best actress at Venice for The Goddess of 1967 (2000).

Quick facts

• Real name: Mary Rose Byrne
• Known as: Rose Byrne
• Born: July 24, 1979, in Balmain, New South Wales, Australia
• Known for: Actor
• Notable work: Bridesmaids, Damages, Troy, If I Had Legs I'd Kick You
• Sources checked: Britannica, Library of Congress Name Authority, Golden Globes

Career highlights

Hollywood notice grew with a small Star Wars: Episode II—Attack of the Clones credit and a larger role as Briseis in Troy (2004). On television she earned Emmy and Golden Globe nominations opposite Glenn Close in Damages (2007–12). Comedy breakthroughs followed in Bridesmaids (2011), Neighbors (2014) and its sequel, and Spy (2015).

Horror fans know her as Renai Lambert across multiple Insidious films; she also played Moira MacTaggert in X-Men: First Class and X-Men: Apocalypse. Later work includes Apple TV+'s Physical and Platonic, and Britannica notes a Golden Globe win plus an Oscar nomination for If I Had Legs I'd Kick You (2025). Broadway credits include You Can't Take It with You and a Tony-nominated turn in Fallen Angels.

Name notes

Mary Rose Byrne is her birth name; she is professionally billed as Rose Byrne. Fan sites often copy names from one another, so we checked this page against Britannica and the Library of Congress.