The famous person J. Twing Brooks is associated with one of more of the Columbiana County historic places.
Some of the country's most noteable architects helped create the Columbiana County places including Finley Hutton, Benjamin Hillman, Hiram Bell, Samuel Conkle, Smith & Smith, C.C. Kimble and Charles Owsley. Prominent architectural styles found in Columbiana Country are Italianate, Federal and Greek Revival.