"United States Census, 1920," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MDM4-B3Y : accessed 14 Sep 2014), George Gilliam, Des Moines Ward 6, Polk, Iowa, United States; citing sheet 15A, family 337, NARA microfilm publication T625, FHL microfilm 1820509.
"United States Census, 1930," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/XMVK-Q9L : accessed 14 Sep 2014), George Gilliam, Des Moines, Polk, Iowa, United States; citing enumeration district (ED) 0055, sheet 34A, family 421, NARA microfilm publication T626, roll 676.
Is Herbert your ancestor? Please don't go away! Login to collaborate or comment, or ask our community of genealogists a question.