Mathematicians born in the 19th century listed by nationality.
American mathematicians born in the 19th century Florence Eliza Allen (1876–1960) Emil Artin (1898–1962) George David Birkhoff (1884–1944) Maxime Bôcher (1867–1918) Leonard Eugene Dickson (1874–1954), algebra and number theory Jesse Douglas (1897–1965), Fields Medalist Edward Kasner (1878–1955) Solomon Lefschetz (1884–1972) Emilie Martin (1869–1936) E. H. Moore (1862–1932) Marston Morse (1892–1977) Emil Leon Post (1897–1954), logic and computability theory Mildred Sanderson (1889–1914) Oswald Veblen (1880–1960) Joseph L. Walsh (1895–1973) Oscar Zariski (1899–1986), algebra
Austrian mathematicians born in the 19th century Emil Artin (1898–1962) Johann Radon (1887–1956) Leopold Vietoris (1891–2002)
Belgian mathematicians born in the 19th century Eugène Charles Catalan (1814–1894)
British mathematicians born in the 19th century
George Boole (1815–1864) Arthur Cayley (1821–1895) Augustus De Morgan (1806–1871) Godfrey Harold Hardy (1877–1947) Ada Lovelace (1815–1852) Percy Alexander MacMahon (1854–1929) Dora Metcalf (1892–1982) Louis J. Mordell (1888–1972), number theory James Joseph Sylvester (1814–1897) Geoffrey Ingram Taylor (1886–1975) Edward Charles Titchmarsh (1899–1963) Joseph Wedderburn (1882–1948) E. T. Whittaker (1873–1956)
Βulgarian mathematicians born in the 19th century Ljubomir Chakaloff (1886–1963)
Canadian mathematicians born in the 19th century Raymond Clare Archibald (1875–1955)
Czech mathematicians born in the 19th century Otakar Borůvka (1899–1995) Eduard Čech (1893–1960), topology Vojtěch Jarník (1897–1970) Karel Petr (1868–1950) Emil Weyr (1848–1894)
Danish mathematicians born in the 19th century Harald Bohr (1887–1951)
Dutch mathematicians born in the 19th century L. E. J. Brouwer (1881–1966) Gustav de Vries (1866–1934) Arend Heyting (1898–1980) Diederik Korteweg (1848–1941) Thomas Joannes Stieltjes (1856–1894)
Finnish mathematicians born in the 19th century Ernst Leonard Lindelöf (1870–1946) Rolf Nevanlinna (1895–1980), complex analysis
French mathematicians born in the 19th century Émile Borel (1871–1956), measure theory Élie Cartan (1869–1951) Jean Gaston Darboux (1842–1917) Maurice René Fréchet (1878–1973) Charles Hermite (1822–1901) Gaston Julia (1893–1978) Henri Lebesgue (1875–1941) Henri Padé (1863–1953) Jules Henri Poincaré (1854–1912) Évariste Galois (1811–1832), modern algebra
German mathematicians born in the 19th century Ludwig Bieberbach (1886–1982) Oskar Bolza (1857–1942) Georg Cantor (1845–1918) Max Dehn (1878–1952) Richard Dedekind (1831–1916) Peter Gustav Dirichlet (1805-1859) Friedrich Ludwig Gottlob Frege (1848–1925) Ferdinand Georg Frobenius (1849–1917) Carl Gustav Axel Harnack (1851–1888) Helmut Hasse (1898-1979) Felix Hausdorff (1868–1942) Ernst Hellinger (1883–1943) Kurt Hensel (1861–1941) David Hilbert (1862−1943) Heinz Hopf (1894–1971) Adolf Hurwitz (1859–1919) Felix Klein (1849–1925) Hellmuth Kneser (1898–1973) Leopold Kronecker (1823–1891) Ernst Kummer (1810–1893) Edmund Landau (1877–1938) Ferdinand von Lindemann (1852–1939) Franz Mertens (1840–1927) Hermann Minkowski (1864–1909) Emmy Noether (1882–1935) Bernhard Riemann (1826–1866) Arthur Schoenflies (1853–1928) Issai Schur (1875-1979) Carl Ludwig Siegel (1896-1981) Otto Toeplitz (1881-1940) Karl Weierstrass (1815–1897) Hermann Weyl (1885–1955)
Greek mathematicians born in the 19th century Constantin Carathéodory (1873–1950) Georgios Remoundos (1878–1928) Cyparissos Stephanos (1857–1917)
Hungarian mathematicians born in the 19th century Lipót Fejér (1880–1959) Alfréd Haar (1885–1933) Marcel Riesz (1886–1965) George Pólya (1887–1985)
Indian mathematicians born in the 19th century Srinivasa Ramanujan (1887–1920)
Irish mathematicians born in the 19th century John Casey (1820–1891) Roland Bryce Ammons (1887–1985) William Rowan Hamilton (1805–1865)
Italian mathematicians born in the 19th century Ulisse Dini (1845–1918) Guido Fubini (1879–1943) Tullio Levi-Civita (1873–1941) Giuseppe Peano (1858–1932) Leonida Tonelli (1885–1946), calculus of variations
Japanese mathematicians born in the 19th century Teiji Takagi (1875–1960)
Norwegian mathematicians born in the 19th century Niels Henrik Abel (1802–1829) Ole Peder Arvesen (1895–1991) Viggo Brun (1885–1978) T.O. Engset (1865–1943) Axel Sophus Guldberg (1838–1913) Alf Victor Guldberg (1866–1936) Sophus Lie (1842–1899) Øystein Ore (1899–1968) Thoralf Skolem (1887–1963) Carl Størmer (1874–1957) Ludwig Sylow (1832–1918), group theory Axel Thue (1863–1922)
Polish mathematicians born in the 19th century Stefan Banach (1892–1945), functional analysis Bronisław Knaster (1893–1980) Kazimierz Kuratowski (1896–1980) Stefan Mazurkiewicz (1888–1945) Juliusz Schauder (1899–1943) Wacław Sierpiński (1882–1969) Stanisław Zaremba (1863–1942)
Russian mathematicians born in the 19th century Sergei Natanovich Bernstein (1880–1968) Pafnuty Chebyshev (1821–1894) Sofia Kovalevskaia (1850–1891) Aleksandr Lyapunov (1857–1918)
Swedish mathematicians born in the 19th century Lars Edvard Phragmén (1863–1937)
Swiss mathematicians born in the 19th century Michel Plancherel (1885–1967)