"United States Census, 1860," index, FamilySearch (https://familysearch.org/ark:/61903/1:1:MHR7-MNN : accessed 19 April 2015), James P Leonard in household of Warren B Leonard, 1st District Hartford, Hartford, Connecticut, United States; from "1860 U.S. Federal Census - Population," database, Fold3.com (http://www.fold3.com : n.d.); citing p. 109, household ID 742, NARA microfilm publication M653 (Washington, D.C.: National Archives and Records Administration, n.d.); FHL microfilm 803,078.
"United States Census, 1870," index and images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MN7W-1HJ : accessed 19 April 2015), Warren B Leonard, Connecticut, United States; citing p. 171, family 1394, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 545,599.
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