↑ ["United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MWSQ-B9M : 10 August 2016), Emma M Calkins in household of Edmund Calkins, Clayton, Genesee, Michigan, United States; citing enumeration district ED 67, sheet 48D, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 0579; FHL microfilm 1,254,579.]