- Jul 3 Johnny Hartman, American jazz ballad singer (John Coltrane and Johnny Hartman - "My One And Only Love"), born in Houma, Louisiana (d. 1983)
- Jul 6 Marie McDonald, American singer and actress known as "The Body Beautiful" (Promises, Promises), born in Burgin, Kentucky (d. 1965)
- Jul 7 Roberto Caamaño, Argentine composer, born in Buenos Aires, Argentina (d. 1993)
- Jul 10 Amalia Mendoza, Mexican singer ("Échame a mi la culpa"), born in Huetamo de Núñez, Michoacán, Mexico (d. 2001)
- Jul 10 Rudolf Kehrer, Soviet classical pianist of German heritage, born in Tiflis, Transcaucasian Socialist Federative Soviet Republic (now Georgia) (d. 2013)
- Jul 15 "Philly" Joe Jones, American jazz drummer (Miles Davis Quintet), born in Philadelphia (d. 1985)
- Jul 18 Héctor Tosar, Uruguayan pianist and composer, born in Montevideo, Uruguay (d. 2002)
- Jul 19 David Allyn [Albert DiLello], American jazz singer (Boyd Raeburn Band), born in Hartford, Connecticut (d. 2012) [1]
- Jul 22 Mukesh [Mathur], Indian "playback singer" for Bollywood films, born in Delhi, British India (d. 1976)
- Jul 29 Jim Marshall, British businessman and electric guitar amplifier pioneer known as "The Father of Loud", born in Acton, West London, England (d. 2012)
- Jul 30 Siegfried Köhler, German conductor, music director, and composer, born in Freiburg im Breisgau, Germany (d. 2017)
- Jul 31 Ahmet Ertegun, Turkish-American, songwriter, businessman (co-founder of Atlantic Records), and philanthropist, born in Istanbul, Turkey (d. 2006)
About July 1923
How Old? 100 years old
Generation: Greatest Generation
Leap Year: No