AINSTABLE, a parish in LEATH ward, county of CUMBERLAND, 4 miles (N.N.W.) from Kirk-Oswald, containing, with the hamlet of Rushroft, 518 inhabitants. The living is a discharged vicarage, in the archdeaconry and diocese of Carlisle, rated in the king's books at £8. 8. 2., and in the patronage of R. L. Ross, Esq. The church is dedicated to St. Michael. The nave was rebuilt in 1816, and the chancel soon afterwards. This parish, which is bounded on the west by the river Eden, and on the east and south by the Croglin, abounds with most beautiful scenery, particularly in the vale of Croglin, and in the vicinity of Nunnery, a neat residence occupying the site of a Benedictine convent, described in the account of ARMATHWAITE. The scenery around Nunnery has been greatly improved by artificial decorations; numerous cascades, fanciful walks, &c., having been formed on both banks of the river Eden, the waters of which, near the hamlet of Armathwaite, are precipitated over a weir, four yards in height, and seventy in length, and, when the river is swollen, produce an exceedingly loud and murmuring noise. The parish contains a considerable quantity 'of freestone.. Here is a free school, with a small endowment; and a school has been established by subscription, in which about twenty children are educated. Near the parsonage - house is a chalybeate spring. John Leake, M.D., founder of the Westminster Lying-in Hospital, and author of some esteemed medical works, was born here, in 1729.