Several famous people are associated with these St. Joseph County historic places including John S. Barry, Wahbeheme (White Pigeon) and Arthur Silliman.
Some of the country's most noteable architects helped create the St. Joseph County places including Smith & Nichols, Michigan State Highway Dept., Ira Lyons, Michigan State Highway Department, Massillon Bridge Co. and Sidney J. Osgood. Prominent architectural styles found in St. Joseph Country are Italianate, Greek Revival and Gothic.