"United States Census, 1850," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:MDJ8-XQZ : 23 December 2020), Mary E Boss in household of Cornell Knight, Smithfield, Providence, Rhode Island, United States; citing family , NARA microfilm publication (Washington, D.C.: National Archives and Records Administration, n.d.).
"United States Census, 1880," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:M4SN-L8W : 14 January 2022), Mary E. Copeland in household of Henry L. Copeland, Burrillville, Providence, Rhode Island, United States; citing enumeration district , sheet , NARA microfilm publication T9 (Washington, D.C.: National Archives and Records Administration, n.d.), FHL microfilm .
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