- Mar 3 J.G. Parry-Thomas, Welsh motor-racing driver (b. 1884)
- Mar 3 Mikhail Artsybashev, Russian writer (b. 1878)
- Mar 4 Ira Remsen American chemist (b. 1846)
- Mar 5 Franz Mertens, Polish mathematician, dies at 86
- Mar 12 Arthur Bernard Deacon, British anthropologist (Malekula: A Vanishing People in the New Hebrides), dies of blackwater fever (b. 1903)
- Mar 17 James Scott Skinner, Scottish fiddler and composer, dies at 83
- Mar 23 Paul César Helleu, French artist (b. 1859)
- Mar 27 Joe Start, American baseball player, dies at 84
- Mar 28 Karl Prohaska, Austrian composer, dies at 57
Assassination
Car Crash
Hanging
Killed in Action
Plane Crash
Poisoning