United States Census, 1880," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MW3H-977 : accessed 26 January 2015), Johanna M W Keppel in household of Teunis Keppel, Holland, Ottawa, Michigan, United States; citing enumeration district 245, sheet 522A, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 0601; FHL microfilm 1,254,601.