May 9, 1937 – José Rafael Moneo, Spanish architect
May 10, 1838 – John Wilkes Booth, American actor and assassin of Abraham Lincoln (d. 1865)
May 11, 1801 – Henri Labrouste, French architect (d. 1875)
May 12, 1820 – Florence Nightingale, British nurse (d. 1910)
May 13, 1830 – Zebulon Baird Vance, three-time governor of North Carolina (d. 1894)
May 14, 1725 – Ludovico Manin, last Doge of the Republic of Venice (d. 1802)
May 15, 1856 – L. Frank Baum, American author (d. 1919)