Several famous people are associated with these Marengo County historic places including George Gaines Lyon and Francis Strother Lyon.
Some of the country's most noteable architects helped create the Marengo County places including Nathan Bryan Whitfield, Clancy & Neely, George Gaines Lyon, King Iron Bridge Manufacturing Co., Frank Lockwood, Dr. William Cincinnatus Ashe, A. & Co. Anderson, David Rudisill and John Knox Taylor. Prominent architectural styles found in Marengo Country are Greek Revival, Queen Anne and Beaux Arts.