"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MD13-151 : accessed 1 October 2018), Fern C Kile in household of John Kile, Canton Ward 2, Stark, Ohio, United States; citing ED 28, sheet 15B, line 88, family 270, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 1434; FHL microfilm 1,821,434.
1950 Marriage of Daughter Vivian; "Ohio, County Marriages, 1789-2013," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K81C-9LH : 10 December 2017), Fern Kile in entry for Harold E Slabaugh and Vivian A Longenecker, 08 Aug 1950; citing Stark, Ohio, United States, reference ; county courthouses, Ohio; FHL microfilm 2,251,707.
It may be possible to confirm family relationships with Fern by comparing test results with other carriers of her mitochondrial DNA.
However, there are no known mtDNA test-takers in her direct maternal line.
It is likely that these autosomal DNA test-takers will share DNA with Fern: