Georg Cantor (1845-1918)
Mar 3 German mathematician (discover transfinite numbers), born in Saint Petersburg, Russian Empire
- Mar 5 Alphonse Hasselmans, Belgian-French harpist, composer (La Source), and educator (Paris Conservatoire, 1884-1912), born in Liège, Belgium (d. 1912)
- Mar 7 Daniel David Palmer, Canadian founder of chiropractic (1897 Palmer School of Chiropractic), born in Port Perry, Canada West (d. 1913)
- Mar 19 Moorfield Storey, American lawyer, pacifist, civil rights leader (co-founder of NAACP & president, 1909-29), born in Roxbury, Massachusetts (d. 1929)
- Mar 19 Willem H. de Beaufort, Dutch historian and politician (d. 1918)
Wilhelm Röntgen (1845-1923)
Mar 27 German physicist who discovered X-rays (Nobel 1901), born in Lennep, Rhine Province