Prehistoric cultural affiliation(s) include Early Woodland, Allison-Lamotte Culture and Mississippian dating back to 0.
Some of the country's most noteable architects helped create the Sullivan County places including O. H. Wheelock, John Bayard, F.J. Nicholas, G. W. Webster, Wing & Manhurin, Frederick W. Wallick, Cuthbert J. Sherman, S.Louis Adler, J. W. Gaddis and Sullivan Monument Works. Prominent architectural styles found in Sullivan Country are Classical Revival, Neo Classical and Beaux Arts.
