HAYSCASTLE (HAYS-CASTLE), a parish, in the hundred of DEWISLAND, county of PEMBROKE, SOUTH WALES, 74 miles (N. w. by N.) from Haverfordwest, containing 367 inhabitants. This parish, which is of considerable extent, is for the greater part enclosed, and in a good state of cultivation. It constitutes, together with that of Brawdy, a prebend attached to the decanal stall in the cathedral church of St. David's. The living is a discharged vicarage, consolidated with that of Brawdy, in the archdeaconry and diocese of St. David's, and in the patronage of the Bishop, as Dean. The church is dedicated to St. Mary; and at the small village of Ford, in this parish, there is a chapel of ease. There are places of worship for Independents and Methodists. Several tumuli were formerly discernible in this parish, but they have been nearly levelled, The average annual expenditure for the support of the poor amounts to £50. 10.