Hageman, Hageman Corner, Hageman Crossing or Camp Hageman is in Union Twp. in Warren County, on U. S. 42, north of Mason and southwest of Lebanon. The Camp Hageman settlement was named for the Rev. R. S. Hageman, a minister and farmer. Another source says it was named after Henry Hageman, father of the Rev. R. S. Hageman. A post office was established there May 9, 1879, with John B. Jack as postmaster.
Hageman -- 11.6 miles southeast of Middletown -- was an important junction for the Middletown & Cincinnati Railroad. The M&C connected with the Cincinnati, Lebanon & Northern Railroad at Hageman. From Cincinnati, Mason was at milepost 21.4 on the CL&N, Hageman at 24.9, Lebanon at 29.4 and Dayton at 54.2. (See Middletown & Cincinnati Railroad Co for more details.)