"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:X42H-K42 : accessed 3 August 2015), Maria Costello in household of Alfred Waddell, Manhattan (Districts 0501-0750), New York, New York, United States; citing enumeration district (ED) 0523, sheet 6B, family 118, line 97, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1560; FHL microfilm 2,341,295.
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