Osa is an unincorporated community in the northeast corner of Barry County, in the U.S. state of Missouri. [1] The community is on Missouri Route JJ 1.5 miles north of Reavisville. Crane in adjacent Stone County is three miles to the east. [2]
A post office called Osa was established in 1895, and remained in operation until 1908. [3] The origin of the name Osa is obscure. [4]
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: CS1 maint: bot: original URL status unknown (link)36°54′16″N93°38′04″W / 36.90444°N 93.63444°W