"United States Census, 1870," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MD3Y-G8X : 12 April 2016), Grace L Wilder in household of Marshall P Welder, Massachusetts, United States; citing p. 299, family 2466, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 552,148.
"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MHX1-361 : 26 August 2017), Marshal P Wilder, 1880; citing enumeration district ED 782, sheet 170A, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d), roll 0561; FHL microfilm 1,254,561.
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