From Wikipedia the free encyclopedia Lela Bliss May 11 1896 May 15 1980 was an American actress She made her first silent film Pretty Mrs Smith in 1915 and appeared in at least over 40 movies until the 1960s Bliss appeared in supporting roles and bit parts in Hollywood films such as The Dark Mirror 1946 Miracle on 34th Street 1947 and Intruder in the Dust 1949 She often played mothers neighbours or society women Since the 1950s Bliss also appeared frequently on popular television shows including My Little Margie as Trixie Wilson the mother of Margies boyfriend in the 1952 episode Verns Chums The Twilight Zone Maverick Mister Ed and The Addams Family She ended her acting career with a guest role in That Girl in 1967