"United States Census, 1820," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XHLD-4Q7 : accessed 24 March 2021), Jeremiah Barton, Virgil, Cortland, New York, United States; citing p. 619, NARA microfilm publication M33, (Washington D.C.: National Archives and Records Administration, n.d.), roll 66; FHL microfilm 193,721.
"United States Census, 1830," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XHPS-B74 : 20 February 2021), Jeremiah Barton, Virgil, Cortland, New York, United States; citing 104, NARA microfilm publication M19, (Washington D.C.: National Archives and Records Administration, n.d.), roll 88; FHL microfilm 17,148.
"United States Census, 1840," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:XHBS-7QX : 2 March 2021), J Barton, Virgil, Cortland, New York, United States; citing p. 22, NARA microfilm publication , (Washington D.C.: National Archives and Records Administration, n.d.), roll ; FHL microfilm .