Thomas Fitzwilliam, 9th Earl of Southampton, was a British nobleman born on December 24, 1783. He inherited the title from his father, Thomas Fitzwilliam, 8th Earl of Southampton, in 1842. The Earl was known for his involvement in local politics and his contributions to the community in Hampshire, England. He served as a Member of Parliament for Hampshire and was active in various charitable organizations. The 9th Earl passed away on March 12, 1859, and his title was succeeded by his son, Thomas Fitzwilliam, 10th Earl of Southampton.