William H. McDonald was an American politician known for his service in the U.S. House of Representatives. He represented the state of Illinois during the late 19th century. McDonald was a member of the Democratic Party and was involved in various legislative efforts during his time in office. In addition to his political career, McDonald was also engaged in business and community activities. His contributions to local governance and public service helped shape the political landscape of his era. McDonald’s legacy is remembered in the context of Illinois history and the broader narrative of American politics.