Who played Beulah the maid in “Beulah” (ABC, 1950-53)?

Two people: Ethel Waters (1950-52) and Louise Beavers (1952-53) played Beulah the maid in “Beulah” (ABC, 1950-53).

Shirley Booth was Hazel Burke the maid in “Hazel” (NBC, CBS, 1961-66).

Ann B. Davis played Alice Nelson, the housekeeper in “The Brady Bunch” (ABC, 1969-70).