Wainwright is an unincorporated community in southern Callaway County, in the U.S. state of Missouri.
[2] The Katy Trail passes through Wainwright at mile 137.6.
[3] A post office called Wainwright was established in 1893, and remained in operation until 1953.
[4] The community was named after a St. Louis entrepreneur.
This Callaway County, Missouri state location article is a stub.