CASTLEWRIGHT, a township, in that part of the parish of MAINSTONE which is in the lower division of the hundred of MONTGOMERY, county of MONTGOMERY, NORTH WALES, 51 miles (S. E.) from Montgomery, containing 182 inhabitants. This township anciently formed part of the manor of Teirtrev, or the three townships, which had a chapel attached, the ruins of which were recently visible at Pentre, but the manor having been divided, this township was joined to the parish of Mainstone. The road from Bishop's Castle to Montgomery passes through this place. It is now one of the eighteen parishes and townships incorporated by acts of parliament passed in the 32nd and 36th of George III., for the support of their own poor in the house of industry at Forden, the average annual assessment for which amounts to £62. 9. on this township.