- Mar 6 John Stevens, American inventor (steam engines) and lawyer (1790 Patent Law), dies at 89 [1]
- Mar 16 Nathaniel Bowditch, American mathematician, astronomer and author (Marine Sextant), dies at 64
- Mar 22 Hendrik Fagel, Dutch/English baron, dies at 73
- Mar 24 Thomas Attwood, English organist and composer, dies at 72
Assassination
Car Crash
Hanging
Killed in Action
Plane Crash
Poisoning