Prehistoric cultural affiliation(s) include Mississippian Period and Proto Historic Period dating back to 1000.
Many famous people are associated with these Harrison County historic places including Jefferson Davis, William James Quarless, John L. Henley, Pleasant et al. Reed and John Kennedy et al. Milner.
Some of the country's most noteable architects helped create the Harrison County places including Morgan Iron Works, Murray & Hazlehurst, Harlan and Hollingsworth, Carl E. Matthes, Vinson B. Smith Jr., J.D. Covacevich, Vincent Bass, Manuel & Wetzel, Paul W. Brielmaier and Theodore Brune. Prominent architectural styles found in Harrison Country are Greek Revival, Colonial Revival and Queen Anne.