found: Stella Maris [MP] 1918:intertitle (Marcia Manon)
found: Stella Maris, ©2012:intertitle (Marcia Manon)
found: Mo. pic. studio directory and trade annual 1923-24:p. 164 (Marcia Manon; actress)
found: IMDb, May 13, 2015(Marcia Manon; actress; born October 28, 1896, Paris, France; died April 12, 1973, Victorville, California; sometimes credited as Camille Ankewich; silent screen supporting actress, with Paramount from 1917, then billed under her birth name Camille Ankewich; career ended soon after the coming of sound)
found: Vazzana, E.M. Silent film necrology, ©2001:pages 347-348 (Marcia Manon; actress; née Camille Ankewich; born California, 28 October 1896-12 April 1973, Loma Linda, California)
found: Doyle, B.H. The ultimate directory of silent and sound era performers, 1999:page 361 (Marcia Manon, born California, 28 October 1896; died Loma Linda, California 12 April 1973)
found: Social security death index, 1935-2014, via ancestry.com, May 14, 2015(Marcia Manon; last residence: 92392 Victorville, San Bernardino, California; born: 28 October 1896; died: April 1973)