The club was founded in 1934, winning the Junior county league in 1938 and Junior championship in 1942. Also in 1942, Mullaghbawn reached the Senior final,[5] losing to Armagh St Malachy's.[4]
The Mullaghbawn club ceased to exist in 1947 but was reformed some years later.[5] It won the Junior championship in 1960,[6] and the club's first Senior title in 1964, beating Wolfe Tone.[4] Mullaghbawn reached the final of the Armagh Intermediate championship in 1968, losing heavily to St Peter's GAC, Lurgan. Two years later it lost the IFC by a single point to Madden.[7]
The club reformed again in 1979.[5] In that year it again made it to the IFC final, losing to St Patrick's, Cullyhanna.[7] After winning the Junior title in 1986,[6] Mullaghbawn returned to the Intermediate level. Further IFC final losses came in 1988, again to Cullyhanna, and 1989, to Dromintee, but in 1992 Mullaghbawn at last won the IFC, beating Middletown Eoghan Rua by 2–8 to 1–5.[7]
