"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:ML83-XQB : accessed 8 September 2022), John H Elcess in household of John Elcess, Jefferson, Jackson, Ohio, United States; citing enumeration district (ED) ED 57, sheet 12B, family 260, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 1198; FHL microfilm 1,375,211.