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.
Kilkenny's most one sided All-Ireland finals win was in 2008 when they beat Waterford by 23 points with a scoreline of Kilkenny 3-30 to 1-13 Waterford
As of 2011, Kilkenny had played a total of 371 championship games, winning 265, drawing 16 and losing 90. They had played Dublin the most times(82) .
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.
All-time top scorer in the All-Ireland Senior Hurling Championship is TJ REID with 641 points in 82 games, scoring 30-551.
In 1922, the Butler family - namely Lord and Lady Ossory - were residents of the castle. The Irish Civil war, raged around them. Lord Ossory memorably wrote that he was woken at the "unreasonable hour of 5.30am" by his butler, who brought the news that Republican forces had seized and occupied his castle.