Deer is an unincorporated community in Osage County, in the U.S. state of Missouri. [1]
A post office called Deer was established in 1901, and remained in operation until 1932. [2] The community most likely was so named on account of deer in the area. [3]
38°37′19″N 91°47′49″W / 38.62194°N 91.79694°W