LLANTHONY, a liberty (extra-parochial), in the middle division of the hundred of DUDSTONE-and-KING'S-BARTON, adjacent to the city, and in the county of GLOUCESTER. A priory, dedicated to the Blessed Virgin Mary and St. John the Baptist, was founded here, in 1136, by Milo, Earl of Hereford, for Black canons, refugees from Llanthony abbey in Monmouthshire, to which it was at first a cell, but afterwards became the superior, arid had, at the dissolution, a revenue of £748. 19. 11.