- Oct 1 Othmar Spann, Austrian economist and sociologist (Geschichtsfilosofie), born in Vienna (d. 1950)
- Oct 2 François Conrad Schlumberger, French physicist, born in Guebwiller, Upper Rhine (d. 1936)
- Oct 5 Louise Dresser [Kerlin], American actress (Maid of Salem), born in Evansville, Indiana (d. 1965)
- Oct 9 Robert Warwick, American actor (Falcon's Adventure), born in Sacramento, California (d. 1964)
- Oct 12 Karl Buresch, Austrian lawyer and politician, born in Groß-Enzersdorf, Austria (d. 1936)
- Oct 13 Patrick Joseph Hartigan, Australian Roman Catholic priest, born in O'Connell Town, Yass, New South Wales (d. 1952)
- Oct 15 Paul Reynaud, Premier of France (May-June 1940), born in Barcelonette, France (d. 1966)
- Oct 16 Carlos Pedrell, Uruguayan guitarist and composer, born in Minas, Uraguay (d. 1941)
- Oct 16 Maxey Long, American athlete (d. 1959)
- Oct 17 Barlow Carkeek, Australian cricket wicket-keeper (6 Tests, 6 dismissals; Victoria), born in Walhalla, Australia (d. 1937)
- Oct 17 Henri Mulet, French organist, cellist, and composer (Carillon-Sortie; Esquisses Byzantines), born in Paris (d. 1967)
- Oct 18 James Truslow Adams, historian (Pul-1921, Founding of New England)
- Oct 19 Hermann Claudius, German folk poet (Meister Bertram), born in Langenfelde near Hamburg (d. 1980)
- Oct 25 Nico van Suchtelen, Dutch writer and publisher, born in Amsterdam (d. 1949)
- Oct 29 Alex von Falkenhausen, German general (China, WW II), born in Gut Blumenthal, Province of Silesia, German Empire (d. 1966)