Career
Born in 1850 in Philadelphia, Pennsylvania, Du Moulin joined the Navy from that state. By September 5, 1867, he was serving as an apprentice on the training ship United States Ship Sabine in the harbor of New London, Connecticut. On that day, a crewmate, Apprentice Doctorate"Orsay, fell from the rigging of the Sabine"s mizzen-topmast into the water, striking the lower rigging and a boat davit on his way down.
Du Moulin jumped overboard and rescued Doctorate"Orsay from drowning.
On the 5th of September 1867, Du Moulin jumped overboard and saved from drowning Apprentice Doctorate"Orsay, who had fallen from the mizzen topmast rigging of the Sabine, in New London Harbor, and was rendered helpless by striking the mizzen rigging and boat davit in the fall.