When Charles Edward Theriault was born on 16 July 1884, in Vermont, United States, his father, Paul Theriault, was 32 and his mother, Matilda Girard, was 30. He married Gertrude Mary Wood on 27 July 1905, in Montpelier, Washington, Vermont, United States. They were the parents of at least 1 daughter. He registered for military service in 1884. He died on 28 September 1951, in Montpelier, Washington, Vermont, United States, at the age of 67, and was buried in Montpelier, Washington, Vermont, United States.