Biography
Mary Mack
Vaudeville blues singer, who recorded for OKeh (1925-1926), or Bluebird and Vocalion (1936-1937), either together with Billy Mack as Billy & Mary Mack (nine tracks) or alone (eight tracks).
Elsie Williams, who recorded for Decca in 1937, may be a pseudonym for Mary Mack.
Elsie Williams, who recorded for Decca in 1937, may be a pseudonym for Mary Mack.