I'm not related so I'm not going to knock myself out, but a few searches on Ancestry.com turned up a few items.
World War I Draft Registration:
Name:
Owen Leroy Thomas
Age: 22
Residence: 1710 High St., Council
Bluffs, IA
Birth Place: Mt. Pleasant, IA
Birth Date: 13 Mar. 1895
Dependents: Mother and sick father
Marital Status: single
Do you claim exemption from draft: yes, acct. of dependent parents
Comment by Registrar: one eye seems to be totally blind
1920 U.S. Federal Census,
Council Bluffs,
Pottawattamie Co., IA
Owen L Thomas, 24
Minda B Thomas, 24
1910 U.S. Federal Census,
Garner,
Pottawattamie Co., IA
Jule Thomas, 45
Minnie Thomas, 44
Earnest R Thomas, 19
Owen L Thomas, 15
Ronald E Thomas, 12
Lillian R Thomas, 9
Blanch M Thomas, 7
Hiram F Thomas, 5
I don't see anything in
Mills County.
Regards,
Robert L
Thrift