Several famous people are associated with these St. Louis County historic places including Sigurd F. Olson and Samuel J. Cusson.
Some of the country's most noteable architects helped create the St. Louis County places including Gregorius Hanka, Andrew Saari, Daniel & Co. Burnham, John Wangenstein, Clarence H. Johnston Sr., Mikko Pyhala, Matt Pyhala, Palmer, Hall, & Hunt, Matt Hill and Elias Aho. Prominent architectural styles found in St. Louis Country are Tudor Revival, Late 19th And 20th Century Revivals and Late 19th And Early 20th Century American Movements.