Samuel Francis du Pont (1803-1865) was a Rear Admiral in the United States Navy and fought in the Mexican-American War and the Civil War. He was the fourth child and second surviving son of Victor Marie du Pont (1767-1827) and his wife, Gabrielle Joséphine de la Fite de Pelleport (1770-1837). These three photocopy letters are related to his term in the Navy, one from his early career in 1820 and two letters from 1863 during the Civil War.