St. Mary's Abbey, Dublin St. Mary's Abbey, Dublin St. Mary's Abbey was a former Cistercian abbey located near Abbey Street in Dublin, Ireland. Its territory stretched from the district known as Oxmanstown down along the River Liffey until it met the sea. It also owned large estates in other parts of Ireland. It was one of several liberties that existed in Dublin since the arrival of the Anglo-Normans in the 12th century, which gave it jurisdiction over its lands. The abbey was founded by the Irish king Máel Sechnaill mac Máele Ruanaid (died 862) in 846, according to the Annals of the Four Masters.
Ballyroan, Dublin Ballyroan, Dublin Ballyroan () is a suburb in Rathfarnham, County Dublin in Ireland. It lies at the foot of the Dublin mountains, alongside Ballyboden, Butterfield, Knocklyon, Old Orchard, and Scholarstown. The townland of Ballyroan crosses civil parish and barony boundaries with roughly 114 acres of the historical townland in the civil parish of Tallaght in the barony of Uppercross, and nearly 10 acres in the civil parish of Rathfarnham in the barony of Rathdown. The modern suburb of Ballyroan has extended somewhat beyond the traditional townland boundaries. The centre of Ballyroan contains the Rosemount shopping centre, the parish church which