William Cavendish, 4th Duke of Devonshire 1720 – 1764

Biography

William Cavendish, 4th Duke of Devonshire, was born on May 8, 1720, in London, into one of England’s most prominent aristocratic families. He rose to prominence during a transformative period in British politics, eventually serving as Prime Minister of the United Kingdom. His tenure reflected the political complexities and shifting alliances of mid-eighteenth-century governance.

His life was marked by responsibility to both his title and his nation. As the fourth Duke, Cavendish inherited considerable estates and influence, which he wielded during his time in high office. Though his time as Prime Minister was relatively brief, it occurred during significant years in British history, when the nation was navigating important political and international developments.

William Cavendish died on October 2, 1764, while in Spa, succumbing to the Black Death at the age of forty-four. His body was returned to England and interred at Derby Cathedral in the City of Derby, where members of his distinguished family had been laid to rest. His death marked the end of a life of public service and aristocratic duty, leaving behind a legacy connected to one of Britain’s most storied noble houses.