The gravestone of Daniel O’Connell in Glasnevin Cemetery, Dublin is made from Kilkenny black marble, and the stone was also used in the construction of Cobh Cathedral in Cork
The "Kilkenny Cats" nickname stems from the feral felines that once inhabited the Dunmore caves in the north of the county.
The elevation of Kilkenny is 60 metres (200 ft) above sea level. The area of Kilkenny borough is 3.74 square kilometres (1.44 sq mi). Kilkenny is the smallest city in Ireland and although all cities in Ireland are by the coast or along a river Kilkenny is the only city that is not tidal.
Gulliver's Travels author, Jonathan Swift, attended Kilkenny College in the late 17th century, and a building at the college was named after him in 2007. Swift's fellow students included playwright William Congreve and the philosopher George Berkeley – after whom California’s Berkeley College is named.
Iconic film producer and animation innovator Walt Disney has Kilkenny roots. His great-grandfather Arundel Elias Disney emigrated from Gowran, County Kilkenny, in the 19th century.
In 1650 invading Cromwellian forces mounted an attack on Kilkenny castle and although it was initially successfully defended they eventually managed to take control of the city by another route.