- Oct 8 Zeno Vancea, Romanian composer, born in Bocsa, Romania (d. 1990)
- Oct 13 Gerald Marks, American songwriter ("All of Me"), born in Saginaw, Michigan (d. 1997)
- Oct 13 Marius-François Gaillard, French pianist (DeBussy), conductor and composer (La passion noire), born in Paris (d. 1973)
- Oct 19 Erna Berger, German lyric soprano, and voice teacher, born in Dresden, Germany (d. 1990)
- Oct 19 Teodoro Valcárcel, Peruvian classical composer, born in Puno, Peru (d. 1942)
- Oct 20 Rodolfo Halffter, Spanish composer, and music critic, born in Madrid, Spain (d. 1987)
- Oct 24 Karl Ottó Runólfsson, Icelandic composer, born in Reykjavik, Iceland (d. 1970)
About October 1900
How Old? 123 years old
Generation: Lost Generation
Leap Year: No
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