Rosemont, OhioRosemont is an unincorporated community in Mahoning County, in the U.S. state of Ohio.[1] HistoryA post office called Rosemont was established in 1888, and remained in operation until 1928.[2] Besides the post office, Rosemont had a country store, operated by D. L. Rose.[3] Early industries at Rosemont included two mills and two coal mines.[4] References
41°03′48″N 80°53′11″W / 41.06333°N 80.88639°W
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