"Pinkman: Baile-an-Chaisleáin = Townland of O’Ruairc’s Castle. The Caisleán was called O’Rourke’s Castle. "

"Arch. Inventory: Rath. On a slight rise on the floor of Glencar valley (68). Tower house. ‘Castle Car (in Ruins).’ On rock outcrop on a gentle S-facing slope in Glencar valley. There is a reference to the capture of the O’Rourke castle of Carr in 1487, which records the earliest use of guns in Ireland. In 1621-2 Tiarnan Mac Owen O’Rourke received a grand of 1500 acres as the Manor of Carra and he may have refurbished the site (206). "

'town of the castle'

"LSO: In the Townland of Castletown in this Glen, are the ruins of an old Castle called Caisleán na Chairthe. Tradition says it was built by O’Rourke, Chief of Breffney (130-131/256-7). Caislen an Chairthe (AFM) This castle was taken by O’Donnell in 1487. It was then the residence of O’Rourke. The name signifies Castle of the Rock and has derived that name from a very remarkable cliff in a valley in which it stands close to it. It is now Anglicised Castle Car and lies in the Townland of Castletown in the Valley of Glen Car, and in the west of the Parish of Killasnet. It is still called Caisleán an Chartha by the Irish (110/226). "