| 44281 | April 17 | Birth | 1816 – Thomas Hazlehurst, English architect and philanthropist (d. 1876) |
| 44282 | April 17 | Birth | 1820 – Alexander Cartwright, American firefighter, invented Baseball (d. 1892) |
| 44283 | April 17 | Birth | 1833 – Jean-Baptiste Accolay, Belgian violinist, composer, and conductor (d. 1900) |
| 44284 | April 17 | Birth | 1837 – J. P. Morgan, American banker and financier, founded J.P. Morgan & Co. (d. 1913) |
| 44285 | April 17 | Birth | 1842 – Maurice Rouvier, French businessman and politician, 53rd Prime Minister of France (d. 1911) |
| 44286 | April 17 | Birth | 1849 – William R. Day, American jurist and politician, 36th United States Secretary of State (d. 1923) |
| 44287 | April 17 | Birth | 1852 – Cap Anson, American baseball player and manager (d. 1922) |
| 44288 | April 17 | Birth | 1863 – Augustus Edward Hough Love, English mathematician and theorist (d. 1940) |
| 44289 | April 17 | Birth | 1865 – Ursula Ledóchowska, Polish-Austrian nun and saint, founded the Congregation of the Ursulines of the Agonizing Heart of Jesus (d. 1939) |
| 44290 | April 17 | Birth | 1866 – Ernest Starling, English physiologist and academic (d. 1927) |
| 44291 | April 17 | Birth | 1875 – Aleksander Tõnisson, Estonian general and politician, 5th Estonian Minister of War (d. 1941) |
| 44292 | April 17 | Birth | 1877 – Matsudaira Tsuneo, Japanese diplomat (d. 1949) |
| 44293 | April 17 | Birth | 1878 – Emil Fuchs, German-American lawyer and businessman (d. 1961) |
| 44294 | April 17 | Birth | 1879 – Henri Tauzin, French hurdler (d. 1918) |
| 44295 | April 17 | Birth | 1882 – Artur Schnabel, Polish pianist and composer (d. 1951) |
| 44296 | April 17 | Birth | 1884 – Leo Frank, American businessman (d. 1915) |
| 44297 | April 17 | Birth | 1885 – Karen Blixen, Danish author (d. 1962) |
| 44298 | April 17 | Birth | 1885 – Carl Goßler, German rower (d. 1914) |
| 44299 | April 17 | Birth | 1888 – Herms Niel, German soldier, trombonist, and composer (d. 1954) |
| 44300 | April 17 | Birth | 1890 – Art Acord, American actor and stuntman (d. 1931) |
| 44301 | April 17 | Birth | 1890 – Cevat Şakir Kabaağaçlı, Turkish ethnographer and author (d. 1973) |
| 44302 | April 17 | Birth | 1891 – George Adamski, Polish-American ufologist and author (d. 1965) |
| 44303 | April 17 | Birth | 1895 – Robert Dean Frisbie, American soldier and author (d. 1948) |
| 44304 | April 17 | Birth | 1896 – Señor Wences, Spanish-American ventriloquist (d. 1999) |
| 44305 | April 17 | Birth | 1897 – Nisargadatta Maharaj, Indian philosopher and educator (d. 1981) |
| 44306 | April 17 | Birth | 1897 – Thornton Wilder, American author and playwright (d. 1975) |
| 44307 | April 17 | Birth | 1897 – Edouard Wyss-Dunant, Swiss physician and mountaineer (d. 1983) |
| 44308 | April 17 | Birth | 1899 – Aleksander Klumberg, Estonian decathlete and coach (d. 1958) |
| 44309 | April 17 | Birth | 1899 – Dimitris Poulianos, Greek painter and illustrator (d. 1972) |
| 44310 | April 17 | Birth | 1902 – Jaime Torres Bodet, Mexican poet and diplomat (d. 1974) |