Allison is an unincorporated community in Bryan County, Oklahoma, United States.http://www.odl.state.ok.us/almanac/2005/12-muni.pdf Oklahoma Municipal Government, from the Oklahoma Almanac It is located seven miles south of Durant, and had a post office from March 6, 1901, to December 15, 1921.Shirk, George H. Oklahoma Place Names University of Oklahoma Press, 1987. Allison was named after the nearby Mount Allison school.
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