Film star George Clooney’s great-great-grandfather was baptised Nicholas Clooney in Windgap church, Kilkenny, on July 23, 1829.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 CorkKilkenny Castle was founded in Medieval times, but its most significant moments have been played out during more recent history. The castle was featured in Oliver Cromwell's re-conquest of Ireland in 1650; and was besieged during the Irish Civil War in 1922.
The annals tell of a terrible massacre which took place in Dunmore Caves, with 1000 people killed by attacking Vikings in 928AD. Over the years there have been numerous finds of human bones, which together with finding of the Viking artifacts, seem to bear out that terrible tale.
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) .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.