"United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MC1L-TTS : 9 November 2014), Mary B Hendrick in household of G A Hendrick, Hornby, Steuben, New York, United States; citing family 184, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
"New York State Census, 1855," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K63M-D1T : 19 November 2014), Mary B Hendrick in household of Gideon A Hendrick, Hornby, Steuben, New York, United States; count clerk offices, New York; FHL microfilm 512,421.
"United States Census, 1870," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MHH1-WK7 : 17 October 2014), Mary Hendric in household of Gideon Hendric, Michigan, United States; citing p. 23, family 151, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 552,181.
(on her son's death record - shows her MN, but different POB) "Michigan Deaths and Burials, 1800-1995," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:FHW1-J55 : 9 December 2014), Mary B. Niffon in entry for David Millard Hendrick, 22 Nov 1912; citing Ronald, Ionia, Michigan, reference it.7,no.21; FHL microfilm 1,392,843.
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