| 122221 | October 25 | Death | 1879 – Nachum Kaplan, Belarusian rabbi and philanthropist (b. 1811) |
| 122222 | October 25 | Death | 1889 – Émile Augier, French playwright (b. 1820) |
| 122223 | October 25 | Death | 1895 – Charles Hallé, German-English pianist and conductor (b. 1819) |
| 122224 | October 25 | Death | 1902 – Frank Norris, American journalist and author (b. 1870) |
| 122225 | October 25 | Death | 1910 – Willie Anderson, Scottish-American golfer (b. 1878) |
| 122226 | October 25 | Death | 1916 – William Merritt Chase, American painter and educator (b. 1849) |
| 122227 | October 25 | Death | 1920 – Alexander of Greece (b. 1893) |
| 122228 | October 25 | Death | 1920 – Terence MacSwiney, Irish playwright and politician, Lord Mayor of Cork (b. 1879) |
| 122229 | October 25 | Death | 1921 – Bat Masterson, American journalist and police officer (b. 1853) |
| 122230 | October 25 | Death | 1924 – Ziya Gökalp, Turkish sociologist, poet, and activist (b. 1876) |
| 122231 | October 25 | Death | 1938 – Alfonsina Storni, Swiss-Argentinian poet and author (b. 1892) |
| 122232 | October 25 | Death | 1941 – Franz von Werra, Swiss-German captain and pilot (b. 1914) |
| 122233 | October 25 | Death | 1945 – Robert Ley, German politician (b. 1890) |
| 122234 | October 25 | Death | 1949 – Mary Ackworth Orr Evershed, English astronomer and Dante scholar (b. 1867) |
| 122235 | October 25 | Death | 1953 – Holger Pedersen, Danish linguist and academic (b. 1867) |
| 122236 | October 25 | Death | 1955 – Sadako Sasaki, Japanese victim of the atomic bomb (b. 1943) |
| 122237 | October 25 | Death | 1957 – Albert Anastasia, Italian-American mob boss (b. 1902) |
| 122238 | October 25 | Death | 1957 – Edward Plunkett, 18th Baron of Dunsany, English-Irish author, poet, and playwright (b. 1878) |
| 122239 | October 25 | Death | 1960 – Harry Ferguson, Irish-English engineer, founded the Ferguson Company (b. 1884) |
| 122240 | October 25 | Death | 1963 – Roger Désormière, French conductor and composer (b. 1898) |
| 122241 | October 25 | Death | 1963 – Karl von Terzaghi, Austrian-American geologist and engineer (b. 1883) |
| 122242 | October 25 | Death | 1965 – Eduard Einstein, Swiss son of Albert Einstein (b. 1910) |
| 122243 | October 25 | Death | 1967 – Margaret Ayer Barnes, American author and playwright (b. 1886) |
| 122244 | October 25 | Death | 1970 – Ülo Sooster, Estonian painter (b. 1924) |
| 122245 | October 25 | Death | 1973 – Abebe Bikila, Ethiopian runner (b. 1932) |
| 122246 | October 25 | Death | 1973 – Cleo Moore, American actress (b. 1928) |
| 122247 | October 25 | Death | 1973 – Robert Scholl, German accountant and politician (b. 1891) |
| 122248 | October 25 | Death | 1974 – Fahrettin Altay, Turkish general (b. 1880) |
| 122249 | October 25 | Death | 1975 – Vladimir Herzog, Brazilian journalist and activist (b. 1937) |
| 122250 | October 25 | Death | 1976 – Raymond Queneau, French poet and author (b. 1903) |