My records indicate that John M. Darwin (b. 1781 in York Co., South Carolina - d. 1856)and his wife Sally (last name unknown)had a son John C. Darwin (b. 1818 in Tennessee -d. 1875 in Cooke Co., Texas).John C. Darwin married Penina Bailey (b. 1826 in Alabama -d. abt. 1873 in Cooke Co., Texas).