Margaret O'Brien: Margaret O'Brien. Actress: Meet Me in St. Louis. 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 also resulted in Angela changing her name to Margaret. Throughout the 1940s Margaret was a major child...
