Jacksonville is an unincorporated community in Sullivan County, in the U.S. state of Missouri.
[1] A variant name was "Jacksons Corners".
[1] A post office called Jackson's Corners was established in 1856, and remained in operation until 1876.
[2] Branson Jackson, an early postmaster, gave the community his last name.
This Sullivan County, Missouri state location article is a stub.