"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MCC7-LB8 : 19 February 2021), Thomas E Childress in household of James Childress, Harmony, Caldwell, Kentucky, United States; citing enumeration district ED 162, sheet 511C, NARA microfilm publication T9 (Washington, D.C.: National Archives and Records Administration, n.d.), FHL microfilm 1,254,406.