Ballyboodan Ogham StoneBallyboodan Ogham Stone is an ogham stone and National Monument located in County Kilkenny, Ireland.LocationBallyboodan Ogham Stone lies in an enclosure on the roadside, south of Knocktopher.HistoryBallyboodan Ogham Stone was carved c. AD 700–900. It was rediscovered before 1841, and was knocked down by treasure-seekers. In 1850 the tenant of the land wanted to destroy it as an obstacle to the plough, but it was saved by the landlord, Sir Hercules Richard Langrishe, 3rd Baronet.DescriptionBallyboodan Ogham Stone is a block of slate measuring 231 × 175 × 23 cm and has Ogham carvings incised on one edge. .