found: Omnibus. II, vol. 4 [MP] 1953:credits (Mary Ford, singer)
found: New Grove dict. of American music, 1986(Mary Ford; b. 7-7-24; d. 9-30-77; singer; married to guitarist Les Paul)
found: Grove music online, February 5, 2019(Ford, Mary (Summers, Iris Colleen); born July 7, 1924, Pasadena, California, died September 30, 1977, Los Angeles, California; American vocalist and guitarist; wife and musical collaborator of Les Paul)
found: Wikipedia, February 5, 2019(Mary Ford; born Iris Colleen Summers, July 7, 1924, El Monte, California, died September 30, 1977, Arcadia, California)