- Mar 6 Anna Claypoole Peale, American painter of miniatures, born in Philadelphia, Pennsylvania (d. 1878)
- Mar 9 George Hayward, American surgeon, 1st to use ether (d. 1863)
- Mar 15 Charles Knight, English publisher (The Penny Cyclopaedia), born in Windsor, England (d. 1873)
- Mar 31 Franciszek Wincenty Mirecki, Polish composer, conductor and pedagogue, born in Kraków, Poland (d. 1862)