CORNSAY, a township in the parish of LANCHESTER, north-western division of DARLINGTON ward, county palatine of DURHAM, 6 miles (N. E,) from Wolsingham, containing 249 inhabitants. In 1811, William Russell, Esq., of Brancepeth castle, gave an endowment for a schoolmaster and a schoolmistress, who are gratuitously to instruct twenty poor boys and girls, and also built and endowed almshouses for six poor men and six poor widows, each receiving £6 per annum, with other gratuities.