William McCoy was an American politician known for his service in the California State Assembly. He represented the Democratic Party and was active in local politics, focusing on issues such as education and public safety. His tenure in the assembly contributed to various legislative efforts aimed at improving community welfare. In addition to his role in the assembly, McCoy was involved in local governance and community initiatives. His commitment to public service and engagement with constituents helped shape policies that addressed the needs of his district. McCoy's political career reflects a dedication to fostering positive change within his community.