↑ "United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MKVX-C5L : accessed 19 February 2019), William P Chappell in household of Edward T Hemperley, Sulphur, Miller, Arkansas, United States; citing enumeration district (ED) ED 74, sheet 5A, family 72, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 57; FHL microfilm 1,374,070.
↑ "United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MDXR-TBG : 14 December 2015), William Chappell in household of Tilman I Nabors, Sulphur, Miller, Arkansas, United States; citing sheet 9A, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,820,072.