William Plummer was an American politician known for his service in the state of New Hampshire. He held various political positions, including serving in the New Hampshire House of Representatives. His contributions to local governance and community issues were significant during his tenure. Plummer was also involved in the Republican Party, advocating for policies that aligned with the party's values. His work focused on improving the lives of his constituents and addressing the needs of his community, making him a respected figure in local politics.