Prehistoric cultural affiliation(s) include Adena, Hopewell, Middle Woodland and New Castle Phase dating back to 0.
Several famous people are associated with these Henry County historic places including John Irwin Morrison and John W. Hedrick.
Some of the country's most noteable architects helped create the Henry County places including Charles H. Byfield, Isaac Hodgson, O.L. Miller, L. O. Miller and Henry Brown. Prominent architectural styles found in Henry Country are Italianate, Classical Revival and Greek Revival.