Though local tradition claims it as a Fitzgerald stronghold, the first documented mention doesn’t appear until 1598, when a Mr. Hayles occupied the site before Thomas Fitzgerald of Cappagh razed it to the ground; likely after forfeiting it during one of the period’s many rebellions. Today, visitors to Cappoquin House and its demesne will find only a solitary wall with a narrow doorway leading to a garden, the last physical remnant of centuries of conflict.

The castle’s most dramatic period came during the turbulent 1640s, when it found itself at the centre of Ireland’s Confederate Wars. In 1641, Captain Hugh Croker seized the fortress on behalf of the Earl of Cork and managed to hold it against a determined assault by Confederate Catholic forces under General Purcell in 1643. His luck ran out two years later when Lord Castlehaven finally took the castle in 1645, though this victory proved short-lived; Oliver Cromwell’s forces captured it just four years later in 1649 during his brutal Irish campaign.

The site’s commanding position above Cappoquin made it an obvious choice for a fortification, controlling both the river crossing and the approaches to the town. While the castle itself has vanished into history, that single remaining wall serves as a quiet monument to the cycles of rebellion, siege, and destruction that characterised this corner of County Waterford during some of Ireland’s most tumultuous centuries.