- Oct 3 Pyotr Kozlov, Russian explorer, born in Dukhovshchina, Russia (d. 1935)
- Oct 5 Ludwig Borchardt, German Egyptologist, born in Berlin (d. 1938)
- Oct 8 Edythe Chapman, American actress (Beyond the Rocks), born in Rochester, New York (d. 1948)
- Oct 9 Alexander Siloti, Russian pianist and composer, born in Kharkiv, Ukraine, Russian Empire (d. 1945)
- Oct 10 Helen Dunbar, American actress (Fine Manners, Beyond the Rocks), born in Philadelphia, Pennsylvania (d. 1933)
- Oct 10 Louis Cyr, French Canadian strongman (lifting 500 pounds (227 kg) with one finger and backlifting 4,337 pounds (1,967 kg)), born in Quebec, Canada (d. 1912)
- Oct 11 Xavier Henry Napoleon Leroux, French composer, born in Velletri, Italy (d. 1919)
- Oct 13 Auguste Rateau, French mining engineer and inventor (Rateau steam turbine), born in Royan, France (d. 1930)
- Oct 16 Austen Chamberlain, British statesman, (Foreign Secretary 1924-29, Nobel Peace Prize 1925 for anti-war Locano Pact), bornin Birmingham, England (d. 1937)
- Oct 19 John Huston Finley, American academic and editor (NY Times 1937-38, President of the American Geographical Society), born in Grand Ridge, Illinois (d. 1940)
- Oct 24 Manuel Manrique de Lara, Spanish composer (The Oresteia), born in Cartagena, Murcia (d. 1929)