Overton County, Tennessee: Genealogical RecordsOverton County was established in 1806 and at one time embraced all or portions of the territory that eventually became Fentress, Clay, Pickett, and Putnam counties. Some famous names associated with Overton, and later Fentress, include Davy Crockett, John Sevier, Joseph Copeland, and John M. Clements (father of Mark Twain). Since the early records of the counties of Fentress, Pickett, Putnam, and Jackson have all or partially been destroyed, the