John Cogswell was an American politician known for his service in the mid-19th century. He was a member of the Democratic Party and held various political positions, including serving in the New Hampshire House of Representatives. His contributions to local governance were significant during a time of political change in the United States. Cogswell's political career was marked by his commitment to public service and community development. He was involved in various initiatives aimed at improving the lives of his constituents, reflecting the values of the Democratic Party during that era. His legacy continues to be recognized in discussions about local governance in New Hampshire.