- Oct 5 Charles Maduro, Antillean composer, born in Curaçao, Netherlands Antilles (d. 1947)
- Oct 8 Dick Burnett, American musician ("Man of Constant Sorrow"), born in Monticello, Kentucky (d. 1977)
- Oct 8 Otto Heinrich Warburg, German physician (Nobel-1931), born in Freiburg, Baden, Germany (d. 1970)
- Oct 11 Archibald T Davison, American musicologist and composer, born in Boston, Massachusetts (d. 1961)
- Oct 16 Vasiliki Maliaros, Greek-American actress (The Exorcist), born in Athens, Greece (d. 1973)
- Oct 16 Will Harridge, American Baseball HOF executive (President American League 1931-59), born in Chicago, Illinois (d. 1971)
- Oct 22 Adolph Joffe, Russian Communist revolutionary and writer (Brest-Litovsk), born in Simferopol, Russian Empire (d. 1927)
- Oct 22 Viktor Jacobi, Hungarian operetta composer (Szibill), born in Budapest, Hungary (d. 1921)
- Oct 26 Napoleon Hill, American writer and philosopher (Think and Grow Rich), born in Pound, Virginia (d. 1970)
- Oct 26 Paul Pilgrim, American athlete (Olympic gold 1904, 06), born in New York City (d. 1958)
Anthony Wilding (1883-1915)
Oct 31 New Zealand tennis player (Wimbledon 1910-13), born in Christchurch, New Zealand
- Oct 31 Marie Laurencin, French painter, born in Paris (d. 1956)