CASTLE-BIGH (CASTLE-BEITH); a parish in the hundred of KEMMES, county of PEMBROKE, SOUTH WALES, 10 miles (N. N. E.) from Haverfordwest, containing 284 inhabitants. The living is a discharged rectory, in the archdeaconry of Cardigan, and diocese of St. David's, rated in the king's books at £6, and in the patronage of the King, as Prince of Wales. The church is dedicated to St. Michael. On the border of this parish are the remains of a Roman encampment, through which runs the high road separating the parishes of Castle-Bigh and Ambleston, and which is minutely described in the account of the latter parish. There is also another encampment near the church, fortified with double ramparts, and occupying about four acres of ground. A house in the parish, called " Poll Tax Inn," received its name from having been the place where that tax was collected. The parochial rates are levied on the ploughlands. An average annual expenditure amounting to £52. 17. is applied to the support of the poor.