Sir William Delaval was an English politician and naval officer born in 1710. He served as a Member of Parliament for Northumberland and was known for his contributions to the Royal Navy. Delaval played a significant role in various naval operations during his career, showcasing his commitment to maritime service. In addition to his political and naval endeavors, Delaval was also involved in local governance. He held the position of Deputy Lieutenant of Northumberland and was recognized for his efforts in improving the region. His legacy includes a blend of military and civic contributions that impacted both his community and the navy.