No, Catherine O’Hara and Maureen O’Hara are not related, despite sharing the same last name.
- Maureen O’Hara (1920–2015) was a famous Irish-American actress, best known for her roles in classic films such as The Quiet Man, Miracle on 34th Street, and The Hunchback of Notre Dame. She was known for her fiery red hair and strong screen presence.
- Catherine O’Hara, born in 1954, is a Canadian-American actress and comedian, known for her work in films like Beetlejuice, Home Alone, and Best in Show, as well as her starring role in the TV show Schitt’s Creek.
Although they both have the same surname and are both prominent figures in the entertainment industry, there is no familial connection between them.