↑ 1.01.11.21.3 South Dakota, Department of Health, Index to Births 1843-1914 and Marriages 1950-2016," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:QKD8-F8N6 : 11 February 2018), Wilfred Gamble, 09 Jul 1909; citing Birth, Lyman, South Dakota, United States, South Dakota Department of Health, Pierre.
↑ 2.02.12.22.32.4 United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:ML6P-R75 : accessed 20 February 2022), Wilford E Gamble in household of Homer S Gamble, Butler, Columbiana, Ohio, United States; citing enumeration district (ED) ED 1, sheet 1B, family 19, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 1161; FHL microfilm 1,375,174.
↑ 4.04.14.24.34.4 United States Census, 1930," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:X4S2-J61 : accessed 20 February 2022), Wilford Gamble in household of Homer Gamble, Butler, Columbiana, Ohio, United States; citing enumeration district (ED) ED 1, sheet 4B, line 98, family 111, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1758; FHL microfilm 2,341,492.
Find A Grave: Memorial #5318985 [Includes a tombstone photograph (joint with 2nd wife Nellie) with clear and consistent years of birth and death; along with links to the memorials of his parents, 3 siblings, his 2nd wife Nellie, and his daughter Patricia.]