Many famous people are associated with these St. Charles County historic places including Nathan Boone, Daniel Boone Hays, Fick Carl Hermann, Rose Philippine Duchesne, Dr. John H. Stumberg and Samuel Stewart Watson.
Some of the country's most noteable architects helped create the St. Charles County places including Nathan Boone, Daniel Boone, I.O. Sawyer, William D. Parsons, Henry Kister, H. Kister, Isaac McCormick, Frank & Adolph Haverkamp, Dr. John H. Stumberg and A. Carl Schlottmann. Prominent architectural styles found in St. Charles Country are Greek Revival, Italianate and Classical Revival.