A biography of William Eustis, Secretary of War, from A history of the War Department of the United States: With biographical sketches of the secretaries .
He became Secretary of War in March 1809 and resigned because of Hull's Surrender of Detroit.
William Eustis was born in Cambridge, Massachusetts, on July 10, 1753, and graduated from Harvard in 1777. He served in the Revolutionary War as a surgeon. In 1800 he was elected as a member of Congress. In 1814 he was appointed as Minister to the Netherlands. He was again elected to Congress and Governor of Massachusetts after that. He died February 6, 1825.