"United States Census, 1880," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MW92-T8H : accessed 11 February 2015), Geert Mantingh, Fillmore, Allegan, Michigan, United States; citing enumeration district 5, sheet 111C, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 0569; FHL microfilm 1,254,569.