- Oct 4 Hugh McCrae, Australian writer and poet (Satyrs and Sunlight: Sylvarum Libri), born in Melbourne (d. 1958)
- Oct 6 Ernest Lapointe, French Canadian politician (d. 1941)
- Oct 7 Louis Tancred, South African cricket batsman (14 Tests, 2 x 50; Transvaal), born in Port Elizabeth, South Africa (d. 1934)
- Oct 8 Willie Smith, Scottish golfer (US Open 1899), born in Dundee, Scotland (d. 1916)
- Oct 9 Solomon Tshkisho Plaatje, South African polyglot, journalist, writer, and political figure (South African Native National Congress (SANNC)), born in Doornfontein, Orange Free State (d. 1932)
- Oct 10 Walter Niemann, German composer, born in Hamburg, German Empire (d. 1953)
- Oct 11 Gertrud von Le Fort, German writer (The Eternal Woman), born in Minden, Westphalia (d. 1971)
- Oct 13 Rube Waddell, American Baseball Hall of Fame pitcher (Triple Crown, AL wins leader 1905; ERA leader 1900, 05; strikeout leader 1902–07; Philadelphia A's), born in Bradford, Pennsylvania (d. 1914)
- Oct 19 Mordecai "Three Finger" Brown, American Baseball HOF pitcher (World Series 1907, 08; NL wins leader 1909; MLB ERA leader 1906; Chicago Cubs), born in Nyesville, Indiana (d. 1948)
- Oct 22 Karl Adam, German theologist (Christ our Brother), born in Freudenberg, Bavaria (d. 1966)
- Oct 22 [Joseph Jacinto] Jo Mora, Uruguayan-born American cartoonist, cowboy and illustrator who lived with the Hopi tribe and wrote extensively of his experiences, born in Montevideo, Uruguay (d. 1947)
- Oct 23 Franz Schlegelberger, German judge and politician (d. 1970)
- Oct 27 Jacqueline Royaards-Sandberg, Dutch actress (Un Soir Un Train), born in Pamekasan, Dutch Indies (d. 1976)
- Oct 28 Albert Michotte van den Berck, Belgian experimental psychologist, born in Brussels, Belgium (d. 1965)
- Oct 31 Eduard van Oort, Dutch ornithologist (Ornithology of Netherlands), born in Barneveld, Netherlands (d. 1933)