United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MXSF-QT9 : accessed 28 December 2018), Charles Hannigan, Philadelphia Ward 33, Philadelphia, Pennsylvania, United States; citing ED 1152, sheet 14A, line 5, family 278, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 1626; FHL microfilm 1,821,626.
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