May 15th
- 1819 – Thomas Leonidas Crittenden born.
- 1865 – Marcellus Jerome Clarke died, aged 22.
- 1876 – Vagrant won the 2nd Kentucky Derby.
- 1894 – Marion Sunshine born.
- 1896 – Ed Brandenburg born.
- 1925 – Ralph Eugene Meatyard born.
- 1986 – Nelson Stacy died, aged 64.