I have no connection to this family.This may be a clue for you re: Gloria
California Death Index, 1940-1997 about Gloria Vandoren Name: Gloria Vandoren [Gloria Quivey] Social Security #: 557097439 Sex: FEMALE Birth Date: 16 Apr 1906 Birthplace: Colorado Death Date: 16 Jul 1995 Death Place: Los Angeles Mother's Maiden Name: Palmer Father's Surname: Quivey
California Death Index, 1940-1997 about Marvel Prescott Name: Marvel Prescott Social Security #: 561215845 Sex: FEMALE Birth Date: 10 Aug 1907 Birthplace: California Death Date: 8 Nov 1974 Death Place: Los Angeles
Social Security Death Index about Marvel Prescott Name: Marvel Prescott SSN: 561-21-5845 Last Residence: 90024Los Angeles, Los Angeles, California, United States of America Born: 10 Aug 1907 Died: Nov 1974 State (Year) SSN issued: California (1973 )
That's all Icould find.Hope it helps.
Regards, Susan Nass Random Acts of Genealogical Kindness