Born Angela Maxine O'Brien on January 15, 1937 in San Diego, California. Her film debut was one-minute shot in MGM's Babes on Broadway (1941). Her big moment came when she was cast in Journey for Margaret (1942). This film shot her into instant stardom and resulted in Angela changing her name to Margaret. Throughout the 1940s Margaret was a major child star. Her unforgettable performance as "Tootie" in Vincente Minnelli's Meet Me in St. Louis (1944) won her an Academy Award as "Outstanding Child Actress" of her day. She gave brilliant performances in such films as The Canterville Ghost (1944), Our Vines Have Tender Grapes (1945), The Secret Garden (1949) and Little Women (1949). By the early 1950s Margaret had made a mint for MGM and earned a personal fortune. Then she brilliantly graduated into adolescent roles and she never retired from the screen. She also remained active on TV and on the dinner-theater circuit. She frequently is appearing at prestigious events as Celebrity Host or Guest Star and popular Public Speaker.