- Oct 1 Cliff Friend, American pianist and songwriter, born in Cincinnati, Ohio (d. 1974)
- Oct 2 Leroy Shield [Shields], American pianist, composer (Laurel & Hardy; Our Gang; Union Pacific Suite), and orchestra leader, born in Waseca, Minnesota (d. 1962)
- Oct 3 Bedřich Havlík, Czech composer, born in Řípec, Czech Republic (d. 1964)
- Oct 10 Willi Apel, German-American musicologist (Harvard Dictionary of Music), born in Konitz, West Prussia (d. 1988)
- Oct 12 Páll Ísólfsson, Icelandic organist and composer, born in Stokkseyri, Iceland (d. 1974)
- Oct 17 Jean Binet, Swiss composer, snd educstor (Jaques Dalcroze method), born in Geneva, Switzerland (d. 1960)
- Oct 23 Jean Absil, Belgian organist and composer (Benedictions; Peau d'Ane), born in Bonsecours; (d. 1974)