- Oct 8 Zeno Vancea, Romanian composer, born in Bocsa, Romania (d. 1990)
- Oct 13 Marius-François Gaillard, French pianist (DeBussy), conductor and composer (La passion noire), born in Paris (d. 1973)
- Oct 13 Gerald Marks, American songwriter (All of Me), born in Saginaw, Michigan (d. 1997)
- Oct 19 Theodoro Valcarcel, composer
- Oct 19 Erna Berger, German soprano (d. 1990)
- Oct 20 Rodolfo Halffter, composer
- Oct 24 Karl Ottó Runólfsson, Icelandic composer, born in Reykjavik, Iceland (d. 1970)
About October 1900
How Old? 120 years old
Generation: Lost Generation
Leap Year: No