Doris and Raymond Thome:
--I did have some problem with the name "Thome" also being transcribed as "Thorne".
The 1920 Census for Oakland, Alameda County, at 104 East 12th Street.
Percy B. Stephens, head, age 46, single, born in Illinois to father born in England, mother in IL.
Susanna, mother, age 74, widow, born in Illinois to both parents born in England
Doris M. Thome, niece, age 15(1904/1905), born in IL to father born in Iowa, mother in IL
Raymond C. Thome, 12(1907/1908), born in CA to father born IA, mother in IL
In a separate unit, same dwelling house.
Walter E. Stephens, 50, born in IL to father born in England, mother in IL
Anna M, 45, born in IA to both parents born in Germany.
--So Doris and Raymond were niece and nephew, respectively, to Percy and Walter Stephens.The below shows that their mother Amelia was sister to Percy and Walter.
The 1910 Census for Dubuque, Dubuque County, Iowa
William Stephens, age 66, born in England, immigraated in 1860
Susana, 63, born in IL, mother of 5, 3 living
Percy B, son, 37
Amelia S Thome, 32(1877/1878) daughter, born in IL, married 7 years, mother of 3/2 living
Doris M, 5, born in IL
Charles Wm, 2, born in CA
--Was Charles William also Raymond C.?
--The 1920 Census for Dubuque has an Amelia Thorne, 50, widow, born in IL to both parents born in IL, this may or may not be the correct person.
California Voter Registrations finds Ray C. Thome
In the last listing, he was at 727 East 15th Street, a theater manager.
--The 1930 Census has a Ray Thome, age 23, born in California living in Minneapolis, MN, he was an advertising manager for a theatre.But, this person has a father born in England, mother in Iowa.There is similarites in criteria, but no proof to prove or disprove.
The 1930 Census showed Roy as "Roy R. Stephens" (adopted son of Walter and Anna Stephens) age 6, born in CA to father born in New York, mother in Illinois.
--www.zabasearch.com shows Roy R Stephens, right age in Placerville.
He may know where the other family members are located.
--Throwing Pure SPECULATION, no facts to present, could Roy be the son of Doris Thome?The 1930 Census shows his mother as being born in Illinois, Doris was born in IL.She would have been about 18 when he was born.Keep this in mind as you find your clues.If you can contact Roy, at some point ask him about his parents.