Death certificate and 1900 census give birth year as 1897; WWI draft registration gives it as 1898.
Charles may have been in a hospital for the insane in 1940.
↑ "United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K94B-NBH : accessed 20 February 2016), Charles O Prather, Highland Judicial Township, San Bernardino, California, United States; citing enumeration district (ED) 36-48, sheet 18A, family , NARA digital publication T627 (Washington, D.C.: National Archives and Records Administration, 2012), roll 289.
"California, County Marriages, 1850-1952," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/K8ZN-F5H : accessed 17 Aug 2014), Blanche Mc Kenney in entry for Charles Obra Prather and Addie Louvenia Doyle Cain, 22 Aug 1922; citing p. 171, Orange, California, United States; FHL microfilm 2050933.
"United States Census, 1900," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/M3GD-8Z2 : accessed 17 Aug 2014), Charles Prather in household of Joseph Prather, Justice Precinct 2 (west part), Grayson, Texas, United States; citing sheet 9A, family 167, NARA microfilm publication T623, FHL microfilm 1241639.