"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XCCJ-DWC : accessed 20 November 2019), John Ireland in household of Walter Ireland, Pittsburgh (Districts 251-488), Allegheny, Pennsylvania, United States; citing enumeration district (ED) ED 334, sheet 20A, line 16, family 261, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1983; FHL microfilm 2,341,717.
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