Arent Schuyler DePeyster was an American-born military officer best known for his term as commandant of the British controlled Fort Michilimackinac and Fort Detroit during the American Revolution. Following the capture of Lieutenant-Governor General Henry Hamilton, DePeyster is often credited as being the military leader of British and Indian forces in the Western American and Canadian frontiers.

Johnston Livingston de Peyster was a soldier in the Union Army during the American Civil War and later a member of the New York State Assembly from Dutchess County, New York. The son of a wealthy old Dutchess County family, de Peyster joined the Union Army at the age of eighteen. He saw service in the eastern theater, and is best remembered for raising the first Union flag over the Confederate capitol of Richmond, Virginia, after its fall in 1865.