Maybelle was born in 1917. She passed away in 1994.
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K72T-4N3 : accessed 21 July 2018), May B Robinson in household of Cecil J Robinson, Ward 4, Carrollton, Militia District 714, Carroll, Georgia, United States; citing enumeration district (ED) 22-16, sheet 4B, line 47, family 91, 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 647.
Find A Grave, database and images (https://www.findagrave.com : accessed 20 July 2018), memorial page for Maybelle L Robinson (2 May 1917–23 Feb 1994), Find A Grave Memorial no. 113580543, citing Carrollton City Cemetery, Carrollton, Carroll County, Georgia, USA ; Maintained by Miranda (contributor 46845672) .