| 115711 | October 9 | Death | 1569 – Vladimir of Staritsa (b. 1533) |
| 115712 | October 9 | Death | 1581 – Louis Bertrand, Spanish missionary and saint (b. 1526) |
| 115713 | October 9 | Death | 1619 – Joseph Pardo, Italian rabbi and merchant (b. 1561) |
| 115714 | October 9 | Death | 1691 – William Sacheverell, English politician (b. 1638) |
| 115715 | October 9 | Death | 1709 – Barbara Palmer, 1st Duchess of Cleveland, English mistress of Charles II of England (b. 1640) |
| 115716 | October 9 | Death | 1729 – Richard Blackmore, English physician and poet (b. 1654) |
| 115717 | October 9 | Death | 1793 – Jean Joseph Marie Amiot, French missionary and linguist (b. 1718) |
| 115718 | October 9 | Death | 1797 – Vilna Gaon, Lithuanian rabbi and scholar (b. 1720) |
| 115719 | October 9 | Death | 1806 – Benjamin Banneker, American astronomer and surveyor (b. 1731) |
| 115720 | October 9 | Death | 1808 – John Claiborne, American lawyer and politician (b. 1777) |
| 115721 | October 9 | Death | 1831 – Ioannis Kapodistrias, Russian-Greek lawyer and politician, Governor of Greece (b. 1776) |
| 115722 | October 9 | Death | 1873 – George Ormerod, English historian and author (b. 1785) |
| 115723 | October 9 | Death | 1897 – Jan Heemskerk, Dutch lawyer and politician, Prime Minister of the Netherlands (b. 1818) |
| 115724 | October 9 | Death | 1900 – Heinrich von Herzogenberg, Austrian composer and conductor (b. 1843) |
| 115725 | October 9 | Death | 1924 – Valery Bryusov, Russian author, poet, and critic (b. 1873) |
| 115726 | October 9 | Death | 1934 – Alexander I of Yugoslavia (b. 1888) |
| 115727 | October 9 | Death | 1934 – Louis Barthou, French union leader and politician, 78th Prime Minister of France (b. 1862) |
| 115728 | October 9 | Death | 1937 – Ernest Louis, Grand Duke of Hesse (b. 1868) |
| 115729 | October 9 | Death | 1940 – Wilfred Grenfell, English-American physician and missionary (b. 1865) |
| 115730 | October 9 | Death | 1941 – Helen Morgan, American singer and actress (b. 1900) |
| 115731 | October 9 | Death | 1943 – Pieter Zeeman, Dutch physicist and academic, Nobel Prize laureate (b. 1865) |
| 115732 | October 9 | Death | 1945 – Gottlieb Hering, German captain (b. 1887) |
| 115733 | October 9 | Death | 1946 – Frank Castleman, American football player, baseball player, and coach (b. 1877) |
| 115734 | October 9 | Death | 1947 – Yukio Sakurauchi, Japanese businessman and politician, 27th Japanese Minister of Finance (b. 1888) |
| 115735 | October 9 | Death | 1950 – George Hainsworth, Canadian ice hockey player and politician (b. 1895) |
| 115736 | October 9 | Death | 1953 – James Finlayson, Scottish-American actor (b. 1887) |
| 115737 | October 9 | Death | 1955 – Theodor Innitzer, Austrian cardinal (b. 1875) |
| 115738 | October 9 | Death | 1956 – Marie Doro, American actress (b. 1882) |
| 115739 | October 9 | Death | 1958 – Pope Pius XII (b. 1876) |
| 115740 | October 9 | Death | 1959 – Shirō Ishii, Japanese general and biologist (b. 1892) |