An old variant name of the community was Benhams Store. A post office opened under the name Benham Store in 1866, the name was shortened to Benham 1888, and the post office was discontinued in 1934. John Benham, Jr., served as a first postmaster.
- U.S. Geological Survey Geographic Names Information System: Benham, Indiana
- "Ripley County". Jim Forte Postal History. Retrieved 1 November 2015.
- Baker, Ronald L. (October 1995). From Needmore to Prosperity: Hoosier Place Names in Folklore and History. Indiana University Press. p. 65. ISBN 978-0-253-32866-3.
...with John Benham, Jr., as postmaster...