Hi, Thanks to all who send me information!! Minco, In Western Grady County. Post office established June 20, 1890. The name is an Indian word meaning "Chief." this is taken from Oklahoma Place names by George Shirk ANN Ann Waite-Tepe crtepe@email.msn.com Reseaching: Aldridge,Darter, Core, Holden, Ireland, Peterson, Workman, Sawyers,Taylor, Smoot.