"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M6MW-BGB : accessed 8 January 2019), Margurete H Welsh in household of Elmer F Welsh, Center, Williams, Ohio, United States; citing ED 151, sheet 2A, line 42, family 37, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 1450; FHL microfilm 1,821,450.
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:X444-P5H : accessed 8 January 2019), Margeret Welsh in household of Elmer Welsh, Richfield, Lucas, Ohio, United States; citing enumeration district (ED) ED 169, sheet 3A, line 24, family 61, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1832; FHL microfilm 2,341,566.
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