"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/XSLK-CPW : accessed 30 March 2017), John Davis, Chicago (Districts 0501-0750), Cook, Illinois, United States; citing enumeration district (ED) ED 611,
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Title "United States Census, 1930," database with images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/XSLK-CPW : accessed 30 March 2017), John Davis, Chicago (Districts 0501-0750), Cook, Illinois, United States; citing enumeration district (ED) ED 611, Short Title John Davis, "United States Census, 1930" Source ID S44 Linked to John Sullivan Davis
Family: John Sullivan Davis / Jesse Rebbeca (Marshall) Davis