"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:KWWN-YZ5 : accessed 29 December 2016), Charles Fiscus, Carlyle, Carlyle Township, Clinton, Illinois, United States; citing enumeration district (ED) 14-8, sheet 20B, line 80, family 463, 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 770.
It may be possible to confirm family relationships with Charles by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA.
However, there are no known yDNA or mtDNA test-takers in his direct paternal or maternal line.
It is likely that these autosomal DNA test-takers will share DNA with Charles: