Several famous people are associated with these Union County historic places including Charles H. Murphy, Henry Crawford McKinney Sr. and Mamie Smith McCurry.
Some of the country's most noteable architects helped create the Union County places including Mann & Stern, Keliher Construction Co., J.F. Hanson, Thompson and Harding, John B. Abbott, Arkansas Highway & Transportation, unknown, Hunter & Boyd Kolben, Charles L. Thompson and L.O. McKinzie. Prominent architectural styles found in Union Country are Classical Revival, Late 19th And 20th Century Revivals and Art Deco.