Film star George Clooney’s great-great-grandfather was baptised Nicholas Clooney in Windgap church, Kilkenny, on July 23, 1829.Irish legend describes Dunmore Cave, seven miles north of Kilkenny, as one of Ireland’s darkest places and the site where the monster Luchtigen 'The Lord of the Mice' was killed.
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.
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.
Kilkenny have only met neighbours Carlow once in the hurling championship. That was in 1993 when Kilkenny won 5-19 to 16 points. Kilkenny have met Lancashire more times – twice(1905, 1913) .