The abbey was founded in 1878 by a group of 32 monks from Mount Melleray Abbey, County Waterford, a number of years earlier Arthur John Moore MP of County Tipperary visited Mt Melleray petitioning for it. The church was opened for worship in 1883, on 600 acres in Mount Heaton, Roscrea, and a Boarding school - Cistercian College, Roscrea - was founded in 1905. The first superior was Dom Athanasius O'Donovan (born Daniel O'Donovan).[1]
Mount St. Joseph contains several stained glass windows created by Harry Clarke or his studios. Three windows in the infirmary, three later windows in the chapel of the college and a 1960s window dedicated to St. Patrick for the abbey church.[2]
The Nationalist, Home Rule supporting MP the Catholic, Count Arthur John Moore who donated the six hundred-acre property, and buildings to the Cistercians, where the Abbey and College is, is buried in Mount St Josephs.