↑ "United States Census, 1860," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:MZB4-9FK : accessed 22 August 2015), Andrew Duncan in household of Wm Duncan, Division No. 1, Henderson, Kentucky, United States; from "1860 U.S. Federal Census - Population," database, Fold3.com (http://www.fold3.com : n.d.); citing p. 80, household ID 179, NARA microfilm publication M653 (Washington, D.C.: National Archives and Records Administration, n.d.); FHL microfilm 803,373.
↑ "Kentucky Death Records, 1911-1965," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:N9ZF-37J : 20 October 2016), George F. Duncan, 26 Dec 1951; citing Death, Rural, Webster, Kentucky, United States, certificate , Office of Vital Statistics, Frankfort; FHL microfilm 2,241,094.