Hart is an unincorporated community in northwest McDonald County, in the U.S. state of Missouri.
[2] A post office called Hart was established in 1883, and remained in operation until 1911.
[3] Phillip Rinehart, an early postmaster, most likely gave the community a syllable of his last name.
[4] An older source maintains the community has the name of W. B. Hart, a pioneer citizen.
This McDonald County, Missouri state location article is a stub.