"United States Census, 1870," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MFLJ-XKD : 12 April 2016), Mary L Harris in household of James M Harris, Virginia, United States; citing p. 18, family 118, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 553,134.
"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MCPV-R34 : 16 July 2017), Mary L Harris in household of Jas M Harris, Forest, Bedford, Virginia, United States; citing enumeration district ED 16, sheet 97C, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 1355; FHL microfilm 1,255,355.
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