Merrion Castle was a castle situated about 300m south of the present-day
Merrion Gates, to the south of
Dublin
Dublin is the capital and largest city of Republic of Ireland, Ireland. Situated on Dublin Bay at the mouth of the River Liffey, it is in the Provinces of Ireland, province of Leinster, and is bordered on the south by the Dublin Mountains, pa ...
city centre. Built in the early fourteenth century, it was from the sixteenth century to the early eighteenth century the principal seat of the Fitzwilliam family, who acquired the title
Viscount Fitzwilliam. After the Fitzwiliams moved to Mount Merrion House in about 1710 the castle fell into ruin, and it was demolished in 1780, though there were remains visible as late as 1837. No trace of Merrion Castle survives today. It was located opposite Merrion Gates, on the site of St. Mary's Home and School for the Blind. Its location, and the modern site of St.Mary's, can be seen on historical maps, including the six-inch (1829-1841)
Ordnance Survey of Ireland
Ordnance Survey Ireland (OSI; ) was the national mapping agency of the Republic of Ireland. It was established on 4 March 2002 as a body corporate. It was the successor to the former Ordnance Survey of Ireland. It and the Ordnance Survey of ...
maps.
Early history
The first mention of a castle at Merrion is in about 1334, when the property was in the possession of Thomas Bagod, who was probably a grandson of that Sir
Robert Bagod who had built
Baggotrath Castle about 1280.
[Ball, F. Elrington ''History of Dublin'' Alexander Thom and Co. 1902-1920 Vol. 2 pp.4-28] In about 1366 Merrion came into the possession of Sir
John Cruys
Sir John Cruys or Cruise (died 1407) was a prominent Irish military commander, diplomat and judge of the late fourteenth and early fifteenth centuries. He was one of the most substantial landowners in County Dublin and County Meath and built Mer ...
or Cruise, a leading landowner,
diplomat
A diplomat (from ; romanization, romanized ''diploma'') is a person appointed by a state (polity), state, International organization, intergovernmental, or Non-governmental organization, nongovernmental institution to conduct diplomacy with one ...
and soldier, who died in 1407. It is generally said that he built the first permanent structure on the site. In the fifteenth century both castles came into the possession of the Fitzwilliam family, who over the years became the most substantial landowners in Dublin;
James Fitzwilliam, the
Chief Baron of the Irish Exchequer, married Sir John Cruise's daughter. Until the late sixteenth-century Baggotrath was the Fitzwilliams' most favoured residence, for possession of which they fought a bitter private war with the
Cornwalsh family in the 1440s, and were even prepared to resort to
murder to assert their rights. It was Sir Thomas Fitzwilliam, grandfather of the first Viscount, who in the reign of
Elizabeth I
Elizabeth I (7 September 153324 March 1603) was List of English monarchs, Queen of England and List of Irish monarchs, Ireland from 17 November 1558 until her death in 1603. She was the last and longest reigning monarch of the House of Tudo ...
made Merrion Castle the principal family residence.
Civil War and Restoration
During the
English Civil War
The English Civil War or Great Rebellion was a series of civil wars and political machinations between Cavaliers, Royalists and Roundhead, Parliamentarians in the Kingdom of England from 1642 to 1651. Part of the wider 1639 to 1653 Wars of th ...
, possession of such a strong fortress close to Dublin was of crucial importance to both sides in the conflict. The Fitzwilliams, who were staunch
Royalists, installed a strong garrison; but in June 1642 the castle was betrayed to the
Parliamentary
In modern politics and history, a parliament is a legislative body of government. Generally, a modern parliament has three functions: Representation (politics), representing the Election#Suffrage, electorate, making laws, and overseeing ...
side,
and remained in Parliament's hands until the
Restoration. The second Viscount,
Oliver Fitzwilliam, later Earl of Tyrconnell, who had considerable influence with Oliver Cromwell's son
Henry, pleaded for its return, but without success. Given the traditional loyalty of his family to the
Stuart dynasty
The House of Stuart, originally spelled Stewart, also known as the Stuart dynasty, was a royal house of Scotland, England, Ireland and later Great Britain. The family name comes from the office of High Steward of Scotland, which had been hel ...
, he might well have expected its speedy recovery in 1660; but the bitter divisions in post-Restoration Ireland, which saw Tyrconnell accused by his enemies of having been a supporter of
Oliver Cromwell
Oliver Cromwell (25 April 15993 September 1658) was an English statesman, politician and soldier, widely regarded as one of the most important figures in British history. He came to prominence during the Wars of the Three Kingdoms, initially ...
, caused a delay in the full restitution of his lands, and he did not recover Merrion until 1663.
Though it had suffered much damage during the military occupation, Merrion was still a substantial dwelling. For the purpose of the
hearth tax
A hearth tax was a property tax in certain countries during the medieval and early modern period, levied on each hearth, thus by proxy on wealth. It was calculated based on the number of hearths, or fireplaces, within a municipal area and is con ...
in 1662-3, it was assessed at sixteen hearths, making it one of the largest private dwellings in Dublin. Lord Tyrconnell in his last years did much to improve the castle, where he died in 1667. It remained the main family residence until 1710 when
Richard FitzWilliam, 5th Viscount FitzWilliam began the building of Mount Merrion House.
Ruins
After 1710, the castle was entirely abandoned and it quickly fell into decay. By the late 1720s, it seems to have been little more than a ruin, and the newspapers reported that the site was infested with large and savage
rodents
Rodents (from Latin , 'to gnaw') are mammals of the order Rodentia ( ), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents. They are n ...
called . The "" was almost certainly the
brown rat
The brown rat (''Rattus norvegicus''), also known as the common rat, street rat, sewer rat, wharf rat, Hanover rat, Norway rat and Norwegian rat, is a widespread species of common rat. One of the largest Muroidea, muroids, it is a brown or grey ...
, which is recorded in Ireland from 1722, a few years ahead of its first appearance in England.
Gabriel Beranger sketched the ruins around 1765. The Irish antiquarian Austin Cooper (1759–1830) surveyed the ruins in May 1780, but on a second visit found the castle being demolished.
In ''
A Topographical Dictionary of Ireland'', published in 1837, it is stated that some
ivy covered ruins of the castle still existed at that time.
References
{{Castles in Dublin
Castles in Dublin (city)
Buildings and structures demolished in 1780
Former castles in the Republic of Ireland
Houses completed in the 14th century
Demolished buildings and structures in Dublin