Cullahill Castle
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Cullahill Castle was the principal stronghold of the MacGillapatricks of Upper Ossory built around 1425 and destroyed around 1650. Cullahill Castle takes its name from an ancient forest that covered Cullahill Mountain and extended down to Cullahill village.
History
Built around 1425, probably by Finghin MacGillapatrick
Reportedly came under attack on several occasions by the "sovereign and citizens of Kilkenny" under reward from King Henry VI. Such attacks were reported in 1441 and 1517.[1]
It was attacked and partially destroyed by Cromwell's forces around 1650. It was probably attacked by cannon from a nearby hill.
It was recorded as "ruinous and uninhabitated" in 1657.