Many famous people are associated with these Henry County historic places including James Harlan, Henderson Lewelling, John Edgar Peterson, John Bicksler and Charles M. Steele.
Some of the country's most noteable architects helped create the Henry County places including Underhill,H.W.,Co., B.J. Holtkamp, King Iron Bridge Company, Missouri Vallley Bridge Company, Ames Central Design Office, Benjamin Franklin Pearson, George E. Bridge Co. King, M.L. Hutton, Patton & Miller and K.A. Bergdahl. Prominent architectural styles found in Henry Country are Italianate, Classical Revival and Greek Revival.