SOCKBORN, (Durham) on the Tees, 4 m. S.E. of Darlington, the seat of the ancient family of Conyers, who were barons of the palatinate and Lds. of Sockburn, from even before the conquest till the inheritance was carried, by marriage of the heiress, into the family of the E. of Shrewsbury. From her daughter it passed, by sale, to Sir William Blacker, Bt. and descended from him to his son, Sir Edward.