When Mattie Marie Buck was born on 28 May 1908, in Liberty Hill, Williamson, Texas, United States, her father, Lee Abner Buck, was 34 and her mother, Candora D. Moore, was 31. She married Clarence Issiac Scott on 20 October 1926, in Wolfe City, Hunt, Texas, United States. They were the parents of at least 1 son and 1 daughter. She lived in Hunt, Texas, United States in 1935 and Justice Precinct 5, Hunt, Texas, United States in 1940. She died on 5 October 1986, in Wolfe City, Hunt, Texas, United States, at the age of 78, and was buried in Webb Hill Cemetery, Wolfe City, Hunt, Texas, United States.