"New York, State Census, 1875," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/VNVJ-W63 : accessed 9 December 2014), Sarah F Ackerman in household of James C Ackerman, La Grange, Dutchess, New York, United States; citing p. 10, line 41, State Library, Albany; FHL microfilm 565,246.
"United States Census, 1900," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MSXS-8WN : accessed 9 December 2014), Sarah F Ackerman in household of James Ackerman, Poughkeepsie Township Poughkeepsie city Ward 6, 2, Dutchess, New York, United States; citing sheet 15B, family 366, NARA microfilm publication T623, National Archives and Records Administration, Washington, D.C.; FHL microfilm 1,241,023.
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