Coy is an unincorporated community in western McDonald County, in the U.S. state of Missouri. The community is located about mid-way between Anderson and Tiff City along the south side of the Patterson Creek valley. Missouri Route 76 passes about three-quarters of a mile to the south.Tiff City, Missouri, 7.5 Minute Topographic Quadrangle, USGS, 1965 (1976 rev.)
History A post office called Coy was established in 1886, and remained in operation until 1903. The community was named after George McCoy, a local merchant.
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