- Jul 4 Flor Peeters, Flemish organist and composer (Lied Symphony), born in Tielen, Flanders, Belgium (d. 1986)
- Jul 5 Irwin Fischer, American composer and organist (Chicago Symphony Orchestra), born in Iowa City, Iowa (d. 1977)
- Jul 16 Carmen Lombardo, Canadian saxophonist, singer, and songwriter (Royal Canadians - "Coquette"; "Seems Like Old Times"), born in London, Ontario (d. 1971)
- Jul 17 Valerian Mikhaylovich Bogdanov-Berezovsky, Russian composer, born in Starozhilovka (d. 1971)
- Jul 18 Božidar Kunc, Croatian concert pianist and composer, born in Zagreb, Croatia (d. 1964)
- Jul 21 Theodore Karyotakis, Greek composer, born in Argos, Greece (d. 1978)
- Jul 24 Robert Mills Delaney, American composer, born in Baltimore, Maryland (d. 1956)
- Jul 25 André Fleury, French organist and composer, born in Neuilly-sur-Seine, France (d. 1995)
- Jul 26 Donald Voorhees, American conductor (Bell Telephone Hour), born in Allentown, Pennsylvania (d. 1989)
- Jul 27 Clive Douglas, Australian composer (Kaditcha; Carwoola), conductor (Australian Broadcasting Commission, 1938-68, and educator, born in Rushworth, Australia (d. 1977)
About July 1903
How Old? 120 years old
Generation: Greatest Generation
Leap Year: No
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