Several famous people are associated with these Washington County historic places including George H. Eaton, James Shepherd Pike, Samuel de Champlain and Alexander Campbell.
Some of the country's most noteable architects helped create the Washington County places including US Army Corps of Engineers, US Army Corps. of Engineers, Victor Mendleheff, Asher B. Bassford, J.C. Rockwood, Henry Black and Matthew Stead. Prominent architectural styles found in Washington Country are Italianate, Greek Revival and Colonial Revival.