The architect who built the White House in Washington, D.C., James Hoban, was raised on the Earl of Desart’s estate in Cuffesgrange, near Callan in Co. Kilkenny.
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.
The "Kilkenny Cats" nickname stems from the feral felines that once inhabited the Dunmore caves in the north of the county.
The population of County Kilkenny is 95,419 according to the 2011 census ... plus an undisclosed number of Kilkenny cats.
The last witch in Ireland, reputedly Dame Alice Kyteler, was born in Kilkenny in 1280. Widowed four times, she was accused of poisoning all of her husbands. Although her former home was burned down, you can now dine at Kyteler’s Inn on the site of the house
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