Battle of Knocknaclashy Boyle had inspired a mutiny among the English Royalist garrison in Cork, causing them to defect to the Parliamentarians. This had outflanked the defences of Irish Confederates and English Royalists, causing them to retreat behind the river Shannon into Connacht, where they held the fortified cities of Limerick and Galway. Henry Ireton went on to besiege Limerick. The only organised Irish forces remaining in south Munster were those of Donagh MacCarthy, Viscount Muskerry, who held out in the mountainous area of west Cork and county Kerry – which was his clan’s native territory. In July 1651, Muskerry set out from
Earl of Limerick William Pery, Bishop of Limerick from 1784 to 1794. In 1790 the latter was raised to the Peerage of Ireland as Baron Glentworth, of Mallow in the County of Cork. He was succeeded by his only son, the second Baron. He represented Limerick City in the Irish House of Commons and was a supporter of the Union with Great Britain. On 29 December 1800 he was created Viscount Limerick, of the City of Limerick, and on 11 February 1803 he was further honoured when he was made Earl of Limerick, of the County of Limerick. Both titles were in the