The famous person William Ulysses Grant Thomas is associated with one of more of the Rooks County historic places.
Some of the country's most noteable architects helped create the Rooks County places including Cuthbert and Sons, Frank C. Squires, Robert Brittian, Frank K. Rothenberger, Joe Glodfelty and Henry W. Brinkman. Prominent architectural styles found in Rooks Country are Classical Revival, Early Commercial and Romanesque.