Walker was born in Minnesota. Her family moved to
Dundurn, Saskatchewan, in 1902. She studied music at
McGill Conservatory and
Northwestern University. Her teachers included
Percy Grainger,
Arne Oldberg, Dean P.C. Sutkin, Alfred White, and Norman Wilks. In 1913 she married Osman J. Walker and they had two sons, Jim and Wilfrid. The family moved to
Edmonton, Canada, in 1920, where Walker taught piano, helped stage theatrical productions, and joined the Edmonton Art Club. She worked as an organist at Knox Church and played organ for silent movies in the Allen Theatre. == Art ==