The Marquess of Granby is a title in the British peerage, created in 1756. It is associated with the House of Cavendish and named after John Manners, the 1st Marquess, who was a prominent military leader during the Seven Years' War. The title has been held by several members of the Manners family, contributing to British history and society. The Marquessate is part of the Dukedom of Rutland, which has a rich heritage and includes various estates and lands. The title is often linked to the famous Granby Street in London and numerous pubs named in honor of the Marquess, reflecting his lasting cultural impact.