"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MW3G-FJR : 10 August 2016), Mary White in household of Horace White, Wyandotte, Wayne, Michigan, United States; citing enumeration district ED 268, sheet 511B, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 0610; FHL microfilm 1,254,610.
"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M91C-MV4 : 20 January 2015), Mary White in household of Horace White, Ecorse township, central, Wayne, Michigan, United States; citing sheet 12A, family 228, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,240,754.