May 25, 1887 – Saint Pio (Pius) of Pietrelcina, a Capuchin Catholic priest from Italy who is venerated as a saint in the Catholic Church.
May 26, 1907 – Marion Mitchell Morrison, a.k.a. John Wayne, an American film actor, director and producer.
May 27, 1837 – James Butler Hickok, better known as Wild Bill Hickok, a folk hero of the American Old West.
May 28, 1660 – George I, a King of Great Britain and Ireland.
May 29, 1917 – John Fitzgerald “Jack” Kennedy, often referred to by his initials JFK, the 35th President of the United States
May 30, 1955 – Nicholas Bowen “Topper” Headon, a British rock and roll drummer, best known for his membership in the punk rock band The Clash.
May 31, 1943 – Joseph William “Joe” Namath, a former American football quarterback.