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.
Dublin City Council scheme that many people favoured. The building was taken over for city government use in the 1850s. Dublin City Council published a plan in 2011 to supply water from Lough Derg on the River Shannon to Dublin city and region. In January 2014, Irish Water took over management of the River Shannon to Dublin pipeline project which is currently (2017) in the Planning Stage. Dublin City Council Dublin City Council () is the authority responsible for local government in the city of Dublin in Ireland. As a city council, it is governed by the Local Government Act 2001. Until 2001,