- Oct 1 Karl Rankl, Austrian-British conductor (Covent Garden Opera Company, 1946-51), and composer (Deirdre of the Sorrows), born in Gaaden, Austria (d. 1968)
- Oct 7 Alfred Wallenstein, American cellist and conductor (Chicago Symphony 1922-29), born in Chicago, Illinois (d. 1983)
- Oct 8 Clarence Williams, American composer, born in Plaquemine, Louisiana (d. 1965)
- Oct 10 Conrad Leonard, British composer and pianist, born in South Norwood, England (d. 2003)
- Oct 14 Maurice Martenot, French cellist, WWI radio telegrapher, and instrument inventor (ondes Martenot), born in Paris, France (d. 1980) [1]
- Oct 15 Gunther Ramin, German organist and composer, born in Karlsruhe, Germany (d. 1956)
- Oct 17 Shinichi Suzuki, Japanese music teacher (Suzuki Method), born in Nagoya, Japan (d. 1998)
- Oct 18 Lotte Lenya [Karoline Wilhelmine Charlotte Blamauer], Austrian-American singer, muse and wife of Kurt Weill, and actress (The Roman Spring of Mrs. Stone; From Russia with Love), born in Vienna, Austria-Hungary (d. 1981)
- Oct 22 (John) "Peck" Kelley, American jazz pianist and bandleader (Peck's Bad Boys), born in Houston, Texas (d. 1980)
- Oct 22 Marcel Mihalovici, French composer (Cascando; Krapp, ou, La dernière bande), born in Bucharest, Romania (d. 1985)
- Oct 26 Beryl Rubinstein, American pianist and composer, born in Athens, Georgia (d. 1952)
- Oct 29 Emmanuel Bondeville, French composer, born in Rouen, France (d. 1987)
Country Singers
Jazz Singers
Opera Singers
Pop Singers
Rappers
Rock Singers