"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:ML6D-3LS : accessed 21 May 2020), Kenneth Folger in household of Victor Folger, Rootstown, Portage, Ohio, United States; citing enumeration district (ED) ED 113, sheet 5B, family 123, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 1224; FHL microfilm 1,375,237.
"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MDR6-WDY : accessed 21 May 2020), Keneth L Folger in household of W Victor Folger, Rootstown, Portage, Ohio, United States; citing ED 114, sheet 1B, line 81, family 22, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 1428; FHL microfilm 1,821,428.
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:X432-Z97 : accessed 21 May 2020), Kenneth L Folger, Cleveland (Districts 251-500), Cuyahoga, Ohio, United States; citing enumeration district (ED) ED 384, sheet 20A, line 40, family 97, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1775; FHL microfilm 2,341,509.
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:KWRW-NNB : 12 February 2020), Kenneth Folger, Ward 32, Cleveland City, Cleveland City, Cuyahoga, Ohio, United States; citing enumeration district (ED) 92-843, sheet 5B, line 49, family 111, Sixteenth Census of the United States, 1940, NARA digital publication T627. Records of the Bureau of the Census, 1790 - 2007, RG 29. Washington, D.C.: National Archives and Records Administration, 2012, roll 3237.
"Michigan Marriages, 1868-1925," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:NQQV-X52 : 2 April 2020), Kenneth L Folger and Alice J Savacoll, 16 Feb 1924; citing Marriage, Adrian, Lenawee, Michigan, , Citing Secretary of State, Department of Vital Records, Lansing; FHL microfilm 4210109.
"Ohio, County Marriages, 1789-2013," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:2QWM-9VZ : 26 August 2019), Kenneth L Folger and Eleanor A Beatty, 10 Mar 1934; citing Marriage, Cuyahoga, Ohio, United States, , Franklin County Genealogical & Historical Society, Columbus; FHL microfilm.
"United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:J2JN-268 : 20 May 2014), Kenneth Folger, Oct 1962; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).
Find a Grave, database and images (accessed 21 May 2020), memorial page for Kenneth L Folger, Sr (1905–21 Oct 1962), Find A Grave: Memorial #133527571, citing Forest Cemetery, Toledo, Lucas County, Ohio, USA ; Maintained by ForestC (contributor 48458053) .