List of Famous people born on May 31st

Friedrich Franz Xaver Prince of Hohenzollern-Hechingen was an Austrian general. He joined the Austrian military and fought against the Kingdom of Prussia, Ottoman Turkey, and the First French Republic. He was promoted to the rank of general officer during the French Revolutionary Wars. During the Napoleonic Wars, he led a division in 1805 and an army corps in 1809. He was Proprietor (Inhaber) of an Austrian cavalry regiment from 1802 to 1844.

William Henry Fitzhugh Lee, known as Rooney Lee or W. H. F. Lee, was the second son of General Robert E. Lee and Mary Anna Custis. He was a planter, a Confederate cavalry General in the American Civil War, and later a Democratic Congressman from Virginia.

Harry Frederick Houghton was a British naval officer and a spy for the People's Republic of Poland and the Soviet Union during the Cold War. He was a member of the Portland Spy Ring.