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
Counties of Ireland Limerick, Kerry, Tipperary, and Waterford; and the three Irish counties of Desmond, Ormond, and Thomond. Perrot's divisions in Ulster were for the main confirmed by a series of inquisitions between 1606 and 1610 that settled the demarcation of the counties of Connaught and Ulster. John Speed's "Description of the Kingdom of Ireland" in 1610 showed that there was still a vagueness over what counties constituted the provinces, however Meath was no longer reckoned a province. By 1616 when the Attorney General for Ireland Sir John Davies departed Ireland, almost all counties had been delimited. The only exception was the county