| 116731 | October 12 | Birth | 1868 – Mariano Trías, Filipino general and politician, 1st Vice President of the Philippines (d. 1914) |
| 116732 | October 12 | Birth | 1872 – Ralph Vaughan Williams, English composer and educator (d. 1958) |
| 116733 | October 12 | Birth | 1874 – Jimmy Burke, American baseball player and manager (d. 1942) |
| 116734 | October 12 | Birth | 1875 – Aleister Crowley, English magician and author (d. 1947) |
| 116735 | October 12 | Birth | 1878 – Truxtun Hare, American football player and hammer thrower (d. 1956) |
| 116736 | October 12 | Birth | 1880 – Louis Hémon, French-Canadian author (d. 1913) |
| 116737 | October 12 | Birth | 1887 – Paula von Preradović, Croatian-Austrian author and poet (d. 1951) |
| 116738 | October 12 | Birth | 1891 – Edith Stein, Polish nun, philosopher, and saint (d. 1942) |
| 116739 | October 12 | Birth | 1891 – Fumimaro Konoe, Japanese soldier and politician, 39th Prime Minister of Japan (d. 1945) |
| 116740 | October 12 | Birth | 1892 – Gilda dalla Rizza, Italian soprano and actress (d. 1975) |
| 116741 | October 12 | Birth | 1893 – Velvalee Dickinson, American spy (d. 1980) |
| 116742 | October 12 | Birth | 1894 – Elisabeth of Romania (d. 1956) |
| 116743 | October 12 | Birth | 1896 – Eugenio Montale, Italian poet and translator, Nobel Prize laureate (d. 1981) |
| 116744 | October 12 | Birth | 1903 – Josephine Hutchinson, American actress (d. 1998) |
| 116745 | October 12 | Birth | 1904 – Lester Dent, American journalist and author (d. 1959) |
| 116746 | October 12 | Birth | 1904 – Ding Ling, Chinese author and educator (d. 1986) |
| 116747 | October 12 | Birth | 1906 – Joe Cronin, American baseball player and manager (d. 1984) |
| 116748 | October 12 | Birth | 1906 – John Murray, American playwright and producer (d. 1984) |
| 116749 | October 12 | Birth | 1908 – Paul Engle, American author, poet, playwright, and critic (d. 1991) |
| 116750 | October 12 | Birth | 1908 – Ann Petry, American journalist and author (d. 1997) |
| 116751 | October 12 | Birth | 1910 – Robert Fitzgerald, American poet, critic, and translator (d. 1985) |
| 116752 | October 12 | Birth | 1910 – Malcolm Renfrew, American chemist and academic (d. 2013) |
| 116753 | October 12 | Birth | 1911 – Piero Taruffi, Italian race car driver and motorcycle racer (d. 1988) |
| 116754 | October 12 | Birth | 1913 – Alice Chetwynd Ley, English author and educator (d. 2004) |
| 116755 | October 12 | Birth | 1916 – Alice Childress, American actress and playwright (d. 1994) |
| 116756 | October 12 | Birth | 1917 – Roque Máspoli, Uruguayan footballer and manager (d. 2004) |
| 116757 | October 12 | Birth | 1919 – Gilles Beaudoin, Canadian politician, 34th Mayor of Trois-Rivières (d. 2007) |
| 116758 | October 12 | Birth | 1919 – Doris Miller, American chef and soldier (d. 1943) |
| 116759 | October 12 | Birth | 1920 – Christy Ring, Irish hurler (d. 1979) |
| 116760 | October 12 | Birth | 1920 – Christopher Soames, Baron Soames, English politician and diplomat, Governor of Southern Rhodesia (d. 1987) |