The famous person A.J. Hazeltine is associated with one of more of the Warren County historic places.
Some of the country's most noteable architects helped create the Warren County places including A.P. Mount, Wetmore, Charles D., et al., Edward Albert Philips, Christian Uhdey, Guy C. Irvine, Robert Shortt, Edward A. Phillips, M.E. Beebe, Rufus Weatherby and Frank Schuler. Prominent architectural styles found in Warren Country are Greek Revival, Italianate and Romanesque.