Plad is an unincorporated community in Dallas County, in the U.S. state of Missouri.
History
A post office called Glad was established in 1891, and remained in operation until 1960. The community's name was supposed to signify that the townspeople were "Glad" they had finally secured a post office (a postal error accounts for the error in spelling, which was never corrected).
References
Plad, Missouri Wikipedia(Text) CC BY-SA