The famous person Kathleen Hearn is associated with one of more of the Hamilton County historic places.
Some of the country's most noteable architects helped create the Hamilton County places including William Gray, Carl Jensen, Johnson & Kuhn, J.H. Craddock, James M. Cox, O. Almquist, Harvey Wood, Mr. Blair, Johnson & Henthorn and O. E. Kingery. Prominent architectural styles found in Hamilton Country are Romanesque, Classical Revival and Gothic.