United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XHW4-NC7 : accessed 31 July 2020), Joseph J Hannigan in household of Vincent M Hannigan, Philadelphia (Districts 0751-1000), Philadelphia, Pennsylvania, United States; citing enumeration district (ED) ED 922, sheet 5B, line 62, family 100, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 2115; FHL microfilm 2,341,849.
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