Cavendish Square (W1) Named after Welbeck Priory near Ollerton, Nottinghamshire, the seat of the Duke of Portland. In this street Lord George Gordon was residing at the time of the celebrated riots which bear his name; Edmund Hoyle, author of the famous treatise on the game of Whist, died here. Mrs. Piozzi and Martha Blount were also residents in this street. (Reference: Thornbury's Old and New London, vol. Iv, p. 442)