William FitzWilliam, 6th Viscount FitzWilliam (1780-1857), was a British nobleman known for his role in the {House of Lords}. He inherited the title from his father, the 5th Viscount FitzWilliam, and was involved in various social and political activities during his lifetime. FitzWilliam was also a significant landowner in {Yorkshire}, where he managed extensive estates. His contributions to local agriculture and community development were notable, reflecting the responsibilities of the aristocracy in 19th-century Britain. He was a member of the {Whig Party}, which played a crucial role in shaping British politics during that era.