CROSBY (GREAT), a chapelry in the parish of SEPHTON, hundred of WEST-DERBY, county palatine of LANCASTER, 7 miles (N. by W.) from Liverpool, containing 674 inhabitants. The living is a perpetual curacy, in .the archdeaconry and diocese of Chester, endowed with £200 private benefaction, and £ 1000 royal bounty, and in the patronage of the Rector of Sephton. The chapel was rebuilt in 1774. The village is in a very thriving state, from being much resorted to for seabathing. A grammar school was founded, in 1618, by John Harrison, a native of this place, citizen and merchant of London, with an endowment of £50 a year for a master and an usher, besides £8 for repairs: the school-house is a good building of freestone, and the school is under the direction of the Merchant Taylors' Company in London: there is also a charity school for boys and girls, founded under the will of Catherine Halsall, with an endowment of £18 per annum.