English banker and M.P.
Began his career as captain of an East Indiaman. Joined London banking firm of Cliff, Walpole, and Clark (1758). M.P. for Great Yarmouth (1768-84). Member of Grand Ohio Company (1769). Opposed North ministry.
Son of Horatio and Mary Magdalen (Lombard) Walpole. Brother of Thomas Walpole. Married Margaret Vanneck (1757); five children.