My Best Supporting Actress Choices (1930-2017)

1930: Marie Dressler (Anna Christie)
1931: Lotte Lenya (The Threepenny Opera)

1932: Ann Dvorak (Three on a Match; Scarface)
1933: Marie Dressler (Dinner at Eight)

1934: Louise Beavers (Imitation of Life)
1935: Edna May Oliver (David Copperfield; A Tale of Two Cities)
1936: Alice Brady (My Man Godfrey)
1937: Constance Collier (Stage Door)
1938: Dame May Whitty (The Lady Vanishes)
1939: Hattie McDaniel (Gone with the Wind)

1940: Judith Anderson (Rebecca)

1941: Mary Astor (The Maltese Falcon; The Great Lie)
1942: Agnes Moorehead (The Magnificent...