William Montagu, 2nd Duke of Manchester (1710-1790), was a British nobleman known for his role in the House of Lords. He inherited the title from his father, the 1st Duke of Manchester, and was involved in various political and social activities during his lifetime. The Duke was also a prominent landowner, managing estates in England and contributing to the local economy. In addition to his political career, the 2nd Duke was known for his interest in the arts and culture. He supported various artistic endeavors and was associated with notable figures of his time, including George III. His legacy includes the continued prominence of the Montagu family in British society.