Mary Kathleen O'Malley (March 31, 1924 – February 25, 2019) was an American film and television actress, who was the daughter of vaudevillian and actor Pat O'Malley. Her screen debut came during the silent film era as a thirteen month old baby in 1926, when she appeared alongside her father and her sister Sheila in the western My Old Dutch. O'Malley went on to appear in several films and television shows during a seven decade career, including Cover Girl, Lady on a Train, Two Tickets to Broadway, Gunsmoke, Maverick, Rawhide, Leave it to Beaver and General Hospital. O'Malley also appeared in the second season of Barnaby Jones; episode titled, "Blind Terror" (09/16/1973). Her last acting credit came in 1998 when she appeared in the short-lived American crime drama Buddy Faro. O'Malley died of Alzheimer's disease on February 25, 2019, at ...