DUNCTON, a parish in the hundred of ROTHERBRIDGE, rape of ARUNDEL, county of SUSSEX, 3 miles (S. byW.) from Petworth, containing 246 inhabitants. The living is a rectory not in charge, in the archdeaconry and diocese of Chichester. The Earl of Egremont was patron in 1815. Duncton once formed part of the parish of Petworth.