John Davis was a U.S. Representative from Kansas.

Illinois College is a private liberal arts college in Jacksonville, Illinois. It is affiliated with the United Church of Christ and the Presbyterian Church (USA). It was the second college founded in Illinois but the first to grant a degree. It was founded in 1829 by the Yale Band, students from Yale College who traveled westward to found new colleges. It briefly served as the state's first medical school, from 1843 to 1848.