- Mar 14 Ludwig Emil Grimm, German painter and engraver, born in Hanau, Germany (d. 1863)
- Mar 15 Nicola Vaccai, Italian opera composer, born in Tolentino, (d. 1848)
- Mar 15 Ludwig Immanuel Magnus, German mathematician (d. 1861)
John Tyler
Mar 29 John Tyler, American politician, 10th US President (1841-45), born in Charles City County, Virginia (d. 1862)
- Mar 30 Joseph Smith, Rear Admiral (Union Navy), (d. 1877)