| 124141 | October 30 | Death | 1893 – John Abbott, Canadian lawyer and politician, 3rd Prime Minister of Canada (b. 1821) |
| 124142 | October 30 | Death | 1894 – Honoré Mercier, Canadian lawyer and politician, 9th Premier of Quebec (b. 1840) |
| 124143 | October 30 | Death | 1896 – Carol Benesch, Czech architect, designed Peleș Castle (b. 1822) |
| 124144 | October 30 | Death | 1899 – William H. Webb, American shipbuilder and philanthropist (b. 1816) |
| 124145 | October 30 | Death | 1910 – Henry Dunant, Swiss activist, founded the Red Cross, Nobel Prize laureate (b. 1828) |
| 124146 | October 30 | Death | 1912 – Alejandro Gorostiaga, Chilean colonel (b. 1840) |
| 124147 | October 30 | Death | 1912 – James S. Sherman, American lawyer and politician, 27th Vice President of the United States (b. 1855) |
| 124148 | October 30 | Death | 1915 – Charles Tupper, Canadian physician, lawyer, and politician, 6th Prime Minister of Canada (b. 1821) |
| 124149 | October 30 | Death | 1917 – Talbot Mercer Papineau, Canadian lawyer and soldier (b. 1883) |
| 124150 | October 30 | Death | 1919 – Ella Wheeler Wilcox, American author and poet (b. 1850) |
| 124151 | October 30 | Death | 1923 – Bonar Law, Canadian-English banker and politician, Prime Minister of the United Kingdom (b. 1858) |
| 124152 | October 30 | Death | 1933 – Svend Kornbeck, Danish actor (b. 1869) |
| 124153 | October 30 | Death | 1942 – Walter Buckmaster, English polo player and stockbroker, co-founded Buckmaster & Moore (b. 1872) |
| 124154 | October 30 | Death | 1957 – Fred Beebe, American baseball player and coach (b. 1880) |
| 124155 | October 30 | Death | 1961 – Luigi Einaudi, Italian economist and politician, 2nd President of the Italian Republic (b. 1874) |
| 124156 | October 30 | Death | 1963 – U. Muthuramalingam Thevar, Indian lawyer and politician (b. 1908) |
| 124157 | October 30 | Death | 1965 – Arthur M. Schlesinger, Sr., American historian and author (b. 1888) |
| 124158 | October 30 | Death | 1966 – Yiorgos Theotokas, Greek author and playwright (b. 1906) |
| 124159 | October 30 | Death | 1968 – Ramon Novarro, Mexican-American actor, singer, and director (b. 1899) |
| 124160 | October 30 | Death | 1968 – Conrad Richter, American journalist and author (b. 1890) |
| 124161 | October 30 | Death | 1968 – Rose Wilder Lane, American journalist and author (b. 1886) |
| 124162 | October 30 | Death | 1973 – Ants Lauter, Estonian actor and director (b. 1894) |
| 124163 | October 30 | Death | 1974 – Begum Akhtar, Indian singer and actress (b. 1914) |
| 124164 | October 30 | Death | 1975 – Gustav Ludwig Hertz, German physicist and academic, Nobel Prize laureate (b. 1887) |
| 124165 | October 30 | Death | 1979 – Rachele Mussolini, Italian wife of Benito Mussolini (b. 1890) |
| 124166 | October 30 | Death | 1979 – Barnes Wallis, English scientist and engineer, invented the Bouncing bomb (b. 1887) |
| 124167 | October 30 | Death | 1982 – Iryna Vilde, Ukrainian author and educator (b. 1907) |
| 124168 | October 30 | Death | 1985 – Kirby Grant, American actor and singer (b. 1911) |
| 124169 | October 30 | Death | 1987 – Joseph Campbell, American mythologist, scholar, and author (b. 1904) |
| 124170 | October 30 | Death | 1988 – T. Hee, American animator and screenwriter (b. 1911) |