Aintree, a township, which was formed into a parish in 1878 from the civil parishes of Sefton and Walton on the Hill, in Lancashire, on the Alt river and the Leeds Canal, 6 miles NNE of Liverpool. It has a post, money order, and telegraph office (R.O.) under Liverpool, and stations on the Lancashire and Yorkshire and Cheshire Lines Committee railways. Acreage, 850; population of the civil parish, 263; of the ecclesiastical parish of Aintree St Peter, 2719. A church was erected in 1876-77, at a cost of £6000, in the Gothic style. The living is a vicarage in the diocese of Liverpool; net value, £140 with residence, in the gift of the rector of Sefton. It contains, with a grand stand built in 1830, a race-course, 1 1/2 mile round, where the Liverpool races are run in March, July, and November. The Earl of Sefton is lord of the manor and principal landowner.