Canadian singer-songwriter and actress, born in Toronto, Ontario.
She is the sister of actress and comedienne Catherine O'Hara.
Mary Margaret O'Hara is a Canadian singer-songwriter, actress and composer. She is best known for the album Miss America, released in 1988. She released two albums and an EP under her own name, and remains active as a live performer, as a contributor to compilation albums and as a guest collaborator on other artists' albums.