William Kidd's foundational background is rooted in a robust legal career, beginning with his service in the United States Navy during World War II. He earned a Bachelor of Laws from West Virginia University College of Law and subsequently served in the West Virginia House of Delegates. Kidd transitioned to private practice, where he remained for over two decades, including a tenure as prosecuting attorney for Braxton County. His judicial experience includes serving as a judge and later as Chief Judge of the 14th Judicial Circuit of West Virginia. He was nominated to the United States District Court for the Southern District of West Virginia and later reassigned to the Northern District of West Virginia, where he assumed senior status.

William Kidd's political career reveals a figure who adeptly navigates between traditional and progressive stances, often aligning with unexpected factions. His judicial background and legislative experience suggest a highly localized approach, deeply rooted in regional concerns. Notably, Kidd's strategic alliances and policy endorsements hint at an ideologically agile nature, balancing conservative values with progressive outcomes. This unique blend raises questions about his underlying motivations and the consistency of his convictions.