"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/VY4D-XRR : accessed 24 October 2015), Irvin Capell in household of James B Capell, Chubbuck Election Precinct, Bannock, Idaho, United States; citing enumeration district (ED) 3-40, sheet 4A, family 70, NARA digital publication T627 (Washington, D.C.: National Archives and Records Administration, 2012), roll 737.