Prehistoric cultural affiliation(s) include Woodland, Late Archaic, Early Archaic and Late Middle Woodland dating back to 9999 BC.
The famous person Francis Stuyvesant Peabody is associated with one of more of the Clay County historic places.
Some of the country's most noteable architects helped create the Clay County places including Oscar Bowling and E.H. Mould. Prominent architectural styles found in Clay Country are Colonial Revival.