- Jul 4 Tibor Varga, Hungarian violinist and orchestra leader (Ripley's Game), born in Győr, Hungary (d. 2003)
- Jul 7 Stanislaw Wislocki, Polish conductor, born in Rzeszów, Poland (d. 1998)
- Jul 9 Irv Kluger, American big band jazz and session drummer (Artie Shaw; Gramercy Five), born in New York City (d. 2006)
- Jul 10 Revaz Il'yich Lagidze, Georgian composer (Tbiliso), born in Baghdati, Transcaucasian Socialist Federative Soviet Republic (now Georgia) (d. 1981)
- Jul 13 Ernest Gold [Goldner], Austrian-born American film composer (Exodus), born in Vienna (d. 1999)
- Jul 13 Git Gay [Birgit Carp], Swedish revue director, actress and singer (Git Gay Show, Ge mig en lektion i kärlek), born in Karlshamn, Sweden (d. 2007)
- Jul 15 Jack Beeson, American classical pianist and opera composer (Lizzie Borden; Captain Jinks of the Horse Marines ), born in Muncie, Indiana (d. 2010)
- Jul 17 George Barnes, American swing-jazz and session guitarist, and electric guitar pioneer, born in South Chicago Heights, Illinois (d. 1977)
- Jul 23 Jerome Rosen, American composer and educator, born in Boston, Massachusetts (d. 2011)
- Jul 24 Billy Taylor, American jazz pianist (Birdland), orchestra leader (David Frost Show), and broadcaster (NPR), born in Greenville, North Carolina (d. 2010) [1]
- Jul 24 Giuseppe Di Stefano, Italian operatic tenor, born in Motta Sant'Anastasia, Catania, Sicily (d. 2008)
- Jul 30 Grant Johannesen, American concert pianist, born in Salt Lake City, Utah (d. 2005)
About July 1921
How Old? 102 years old
Generation: Greatest Generation
Leap Year: No
Country Singers
Jazz Musicians
Opera Singers
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