Tallaght Castle

Tallaght Castle (also known as Tallaght House ) was a castle in Kilnamanagh, Tallaght, County Dublin, Ireland. It dates from the 14th Century. It became an official residence of the Church of Ireland Archbishop of Dublin until 1822. It was taken over by the Dominican Order in 1856.

Members of Archbishop Loftus's family were killed at the gates of the castle in the 1570s.

The castle is now in ruins with only a small proportion of it incorporated into the St. Mary's Priory building, in the grounds of St. Mary's Dominican Priory and the Priory Institute The old palace gardens, Archbishop’s bathhouse, the Friar's Walk and St. Maelruain's Tree still remain in the current grounds.

Development
Tallaght village was first walled in about 1310. As ordered by Archbishop Alexander de Bicknor the initial castle was built between 1324 and the 1340s. The original castle is thought to have comprised high walls with a courtyard in the centre. It was in a bad condition a century later.

In the mid 1400s, improvements were made by Archbishop Michael Tregury, leading to an increase in usage by subsequent Archbishops.

Archbishop John Hoadly built a palace on the remains from 1727 to 1729. The grounds had a brewery and a granary and stables. By 1760 some of the buildings had become 'dilapidated'.

In 1821 Act of Parliament was passed which stated that it was unfit for habitation. 1822 sold to Major Palmer, Inspector General of Prisons who pulled most of the palace down and used the materials to build his mansion, 'Tallaght House' as well as a schoolhouse and several cottages. A tower from the original castle was left untouched and later was incorporated in the current priory building. The once four-storey-high tower now has just internally to two.

When the Dominican friars took a lease out on the property in the 1840s, one of the building was converted into a chapel. This was replaced by a purpose built church in 1883. Part of the house burned down in the first decade of the 1900s.