MABYN (ST.), a parish in the hundred of TRIGG, county of CORNWALL, 3 miles (E. by N.) from Wade- Bridge, containing 715 inhabitants. The living is a rectory, in the archdeaconry of Cornwall, and diocese of Exeter, rated in the king's books at £36, and in the patronage of the Earl of Falmouth. There is a place of worship for Wesleyan Methodists.