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Inniskeen Grattans was founded in 1883 and is the oldest GAA club in County Monaghan and is named for Henry Grattan. It was founded one year before the Gaelic Athletic Association was founded in Thurles. In 1888, the first County Championship was held. The final between Inniskeen Grattans and Carrickmacross Emmets, was won by Inniskeen by 0-7 to 0-0. In August 1888, Inniskeen played Cavan champions Maghera Mac Finns in the first Ulster Senior Football Championship Final in Drogheda which ended in a draw, 0-2 each. Inniskeen won the replay in Drogheda on 9 December by 0-3 to 0-1 making Monaghan the first ever Ulster S.F. champions.