United States Census, 1870," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M8J2-95B : 17 October 2014), John Holly, New York, United States; citing p. 14, family 118, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 552,404.
Find A Grave Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:QV2H-SMVJ : 13 December 2015), John Holly, 1890; Burial, Ceres, Allegany, New York, United States of America, Ceres Cemetery; citing record ID 65859972, Find a Grave, http://www.findagrave.com.