Crevenish Castle is a ruined castle and bawn in County Fermanagh, Northern Ireland, 3k south-west of Kesh at grid ref: H165626. It is privately owned.
The castle was built about 1618 by Sir Thomas Blennerhassett , from Norfolk, whose brother built Castle Caldwell and was originally known as Castlehassett or Castle Hassett. Before coming as a 'planter' to Fermanagh, Thomas Blennerhassett had a varied career including being Captain of Guernsey Castle. He was a literary man who wrote several books including Directions for the Plantation of Ulster. He was succeeded by his eldest son Sir Leonard Blennerhassett . The castle moved to local Maguire hands when his widow, Deborah, married Rory Maguire, leader of the Irish Rebellion of 1641 in Fermanagh, who died in 1648. The castle subsequently returned to Blennerhassett hands, to Henry, son of Sir Leonard, who became MP for Fermanagh in 1664, and High sheriff for the county. However, by 1697 the house was being reported as ruinous.
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Fermanagh, United Kingdom