- Oct 6 Frank G. Allen, 51st Governor of Massachusetts (d. 1950)
- Oct 8 Nance O'Neil, American actor (Cimarron), born in Oakland, California (d. 1965)
- Oct 9 Nicholas Roerich, Russian painter, born in Saint Petersburg, Russia (d. 1947)
- Oct 12 Jimmy Burke, American MLB third baseman (Pittsburgh Pirates), coach (World Series 1932, NY Yankees) and manager (St. Louis Cardinals), born in St. Louis, Missouri (d. 1942)
- Oct 14 Margarete Susman, German-Jewish writer, born in Hamburg (d. 1966)
- Oct 15 Otallo Morales, Spanish composer, born in Almería, Spain (d. 1957)
- Oct 15 Prince Alfred of Edinburgh, grandson of Queen Victoria, born in Buckingham Palace, London (d. 1899)
- Oct 20 Charles Ives, American composer (Holiday Quick Step), born in Danbury, Connecticut (d. 1954)
- Oct 21 Albert Aftalion, Bulgaria/French economist
- Oct 26 Martin Lowry, English chemist (Brønsted–Lowry acid–base theory), born in Low Moor, Bradford (d. 1936)
Owen D. Young (1874-1962)
Oct 27 American industrialist (RCA) and diplomat (Young Plan), born in Stark, New York
