The famous person Francis Black is associated with one of more of the Rock Island County historic places.
Some of the country's most noteable architects helped create the Rock Island County places including Saranus Brettun, Francis Black, George P. Stauduhar, E.S. Hammatt, William J. Church, Charles W. Nicol, John Volk, Frost & Granger, Fred L. Cornwell and Kirsch & Kolb. Prominent architectural styles found in Rock Island Country are Early Commercial, Late 19th And 20th Century Revivals and Bungalow/Craftsman.