The famous person George Willrich is associated with one of more of the Fayette County historic places.
Some of the country's most noteable architects helped create the Fayette County places including P.F. Doyle, Richard M. Upjohn, et al Illinois Steel Bridge Company, J. Riely Gordon, Fritz Schulte, Scott Foundry, Frank Bohlmann, O. Kramer, Heinrich Ludwig Kreische and Austin Bridge Company. Prominent architectural styles found in Fayette Country are Romanesque, Gothic Revival and Greek Revival.