When Charles Augusta Thomason was born on 9 May 1886, in Flatrock Crossing, Medina, Texas, United States, his father, Charles Bauldon Thomason, was 33 and his mother, Emily Allen, was 27. He married Maud Early on 1 September 1907, in Brown, Texas, United States. They were the parents of at least 1 daughter. He lived in Justice Precinct 1, Brown, Texas, United States for about 10 years. He died on 27 May 1969, in Brownwood, Brown, Texas, United States, at the age of 83, and was buried in Eastlawn Cemetery, Early, Brown, Texas, United States.