The famous person Randall Perry is associated with one of more of the Allen County historic places.
Some of the country's most noteable architects helped create the Allen County places including Walter d'Arcy Ryan, A.K. Hofer, Albert H. Schaaf, Alvin M. Strauss, Marshall Mahurin, Jeese Vermilyea, Pohlmeyer & Pohlmeyer, Joel Roberts Ninde, Lloyd Larrimore and Peter Dederichs Jr.. Prominent architectural styles found in Allen Country are Colonial Revival, Late 19th And 20th Century Revivals and Bungalow/Craftsman.