Prehistoric cultural affiliation(s) include Native American and Late Prehistoric dating back to 1000.
The famous person J.S. Cowdrey is associated with one of more of the Marion County historic places.
Some of the country's most noteable architects helped create the Marion County places including Smith-Hughes Aggie Boys, Works Progress Administration, Pioneer Construction Company Inc., Civilian Conservation Corps, George Cavaness, Ruey Estes, M.C. Contracting Co. Orr, C.A. Jones, J.G. Robinson and Tom Eads. Prominent architectural styles found in Marion Country are Bungalow/Craftsman, Art Deco and Colonial Revival.