Poynor is an unincorporated community in southern Ripley County, Missouri, United States.
[1] It is located on Route 21, approximately seven miles southwest of Doniphan.
[2] A post office called Poynor was established in 1891, and remained in operation until 1992.
[3] The community has the name of Marion C. Poynor, a local merchant.
This Ripley County, Missouri state location article is a stub.