- Mar 1 Ruy Barbosa, Brazilian polymath, writer and politician, dies at 73
- Mar 5 (Theodora) "Dora" Pejačević, Croatian countess and composer (Symphony in F-sharp minor, Op. 41), dies at 37
Johannes van der Waals
Mar 8 Johannes van der Waals, Dutch physicist (Nobel 1910), dies at 85
Sarah Bernhardt
Mar 26 Sarah Bernhardt, French actress (Camille, Queen Elizabeth), dies of uremia at 78
- Mar 27 James Dewar, Scottish chemist and physicist (Dewarfles/cordiet), dies at 80