SEATHWAITE, a chapelry in the parish of KIRKBY-IRELETH, hundred of LONSDALE, north of the sands, county palatine of LANCASTER, 8 miles (W. byN.) from Hawkeshead, containing 208 inhabitants. The living is a perpetual curacy, in the peculiar jurisdiction of the Dean and Chapter of York, endowed with £400 private benefaction, and £600 royal bounty, and in the patronage of William Penny, Esq.