"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:ML1B-68M : accessed 28 May 2017), Samuel J Whitehill in household of Samuel J Whitehill, Fisher, Fremont, Iowa, United States; citing enumeration district (ED) ED 59, sheet 11A, family 120, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 403; FHL microfilm 1,374,416.
"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M8BT-VYT : accessed 28 May 2017), Saml Whitehill in household of Maud Whitehill, Fisher, Fremont, Iowa, United States; citing ED 66, sheet 9B, line 53, family 77, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 490; FHL microfilm 1,820,490.
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