"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K726-F7C : accessed 1 October 2016), Grady Wade in household of Ned Wade, Militia District 284, Banks, Georgia, United States; citing enumeration district (ED) 6-5, sheet 1B, family 16, 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 637.
"Georgia World War II Draft Registration Cards, 1940-1945," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:V2MR-T2M : accessed 1 October 2016), Grady Bannister Wade, 1941; citing Homer, Banks, Georgia, United States, Records of the Selective Service System, 1926 - 1975, RG 147, National Archives at St. Louis, Missouri.
It may be possible to confirm family relationships with Grady by comparing test results with other carriers of his ancestors' Y-chromosome or 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 Grady: