From Michigan Place Names
Bay County: a sawmill settlement in Mount Forest Township, with a station on the Michigan Central Railroad in 1888. Hotelman Clarence A. Fairchild became its first postmaster on Oct. 12, 1888. The spelling was changed to Mountforest On Sept. 7, 1894, but the office was closed on March 31, 1855. Now nearly deserted [Gansser; GSM 1889; PO Archives]