| 123931 | October 30 | Birth | 1895 – Gerhard Domagk, German pathologist and bacteriologist, Nobel Prize laureate (d. 1964) |
| 123932 | October 30 | Birth | 1895 – Dickinson W. Richards, American physician and physiologist, Nobel Prize laureate (d. 1973) |
| 123933 | October 30 | Birth | 1896 – Ruth Gordon, American actress and screenwriter (d. 1985) |
| 123934 | October 30 | Birth | 1896 – Kostas Karyotakis, Greek poet and educator (d. 1928) |
| 123935 | October 30 | Birth | 1896 – Harry Randall Truman, American soldier (d. 1980) |
| 123936 | October 30 | Birth | 1896 – Antonino Votto, Italian conductor (d. 1985) |
| 123937 | October 30 | Birth | 1897 – Rex Cherryman, American actor (d. 1928) |
| 123938 | October 30 | Birth | 1897 – Agustín Lara, Mexican singer-songwriter and actor (d. 1970) |
| 123939 | October 30 | Birth | 1898 – Bill Terry, American baseball player and manager (d. 1989) |
| 123940 | October 30 | Birth | 1900 – Ragnar Granit, Finnish-Swedish physiologist and academic, Nobel Prize laureate (d. 1991) |
| 123941 | October 30 | Birth | 1905 – Johnny Miles, English-Canadian runner (d. 2003) |
| 123942 | October 30 | Birth | 1906 – Giuseppe Farina, Italian race car driver (d. 1966) |
| 123943 | October 30 | Birth | 1906 – Hermann Fegelein, German general (d. 1945) |
| 123944 | October 30 | Birth | 1906 – Alexander Gode, German-American linguist and translator (d. 1970) |
| 123945 | October 30 | Birth | 1907 – Sol Tax, American anthropologist and academic (d. 1995) |
| 123946 | October 30 | Birth | 1908 – Patsy Montana, American singer-songwriter and actress (d. 1996) |
| 123947 | October 30 | Birth | 1908 – U. Muthuramalingam Thevar, Indian lawyer and politician (d. 1963) |
| 123948 | October 30 | Birth | 1908 – Peter Smith, English cricketer (d. 1967) |
| 123949 | October 30 | Birth | 1909 – Homi J. Bhabha, Indian-French physicist and academic (d. 1966) |
| 123950 | October 30 | Birth | 1910 – Luciano Sgrizzi, Italian-Monacan organist and composer (d. 1994) |
| 123951 | October 30 | Birth | 1911 – Ruth Hussey, American actress (d. 2005) |
| 123952 | October 30 | Birth | 1914 – Richard E. Holz, American minister and composer (d. 1986) |
| 123953 | October 30 | Birth | 1914 – Leabua Jonathan, Basotho lawyer and politician, 2nd Prime Minister of Lesotho (d. 1987) |
| 123954 | October 30 | Birth | 1914 – Anna Wing, English actress (d. 2013) |
| 123955 | October 30 | Birth | 1915 – Léon-Joseph Chavalliaud, French sculptor and educator (d. 1923) |
| 123956 | October 30 | Birth | 1915 – Fred W. Friendly, American journalist and producer (d. 1998) |
| 123957 | October 30 | Birth | 1915 – Jane Randolph, American-Swiss actress and singer (d. 2009) |
| 123958 | October 30 | Birth | 1916 – Leon Day, American baseball player (d. 1995) |
| 123959 | October 30 | Birth | 1917 – Bobby Bragan, American baseball player, coach, and manager (d. 2010) |
| 123960 | October 30 | Birth | 1917 – Nikolai Ogarkov, Russian field marshal (d. 1994) |