CLYDEY (CLYDAI), a parish, in the hundred of KILGERRAN, county of PEMBROKE, SOUTH WALES, 6 miles (S. W.) from Newcastle - Emlyn, containing 1385 inhabitants. This parish constitutes the endowment of a prebend in the cathedral church of St. David's, which is rated in the king's books at £12, and in the gift of the Bishop. The living is a discharged vicarage, in the archdeaconry of Cardigan, and diocese of St. David's, rated in the king's books at £6, endowed with £600 parliamentary grant, and in the patronage of the Bishop of St. David's. The church, dedicated to St. Clydai, is a plain substantial structure, with a massive square tower. There are places of worship for Independents and Calvinistic Methodists. Fairs are held at Henveddau, in this parish, on May 13th, September 17th, and October 30th. The average annual expenditure for the support of the poor amounts to £290.8.