Prehistoric cultural affiliation(s) include Late Mississippian, Caborn-Welborn Phase, American,Rural, Caborn--Welborn Phase, Woodland, Middle Woodland, Middle Mississippian, Paleo-Indian, Middle Woodland Hopewell, Mann Phase and Archaic dating back to 8999 BC.
Several famous people are associated with these Posey County historic places including Robert Owen, Robert Owen and William Gonnerman.
Some of the country's most noteable architects helped create the Posey County places including Rappites, Nashville Bridge Company, Fowler & Thole, Philip Johnson, Edward J. Thole Sr., Josse A. Vrydagh, Clarke,Levi S.,, Parson, Klapp, Brinckerhoff etc, William A. McGregor and F. & Sons Behrick. Prominent architectural styles found in Posey Country are Greek Revival, Romanesque and Italianate.