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.
Boyle River (Ireland) estuary this gives a total river flow of 392.1 km (243.5ml), which makes it the longest river within the River Shannon basin (from source to mouth), 31.6 km (19.5ml) longer than the Shannon Pot source. Boyle River (Ireland) The Boyle River is a river in Ireland. It forms part of the Shannon River Basin. It flows from Lough Gara on the Sligo/Roscommon border and flows through the town of Boyle to Lough Key. From there is flows eastwards through the village of Knockvicar to the River Shannon at Lough Drumharlow, near Carrick-on-Shannon. The length of the Boyle River (from its