- Jul 2 Maria Britneva, Russian actress (A Room with a View, Maurice), born in Petrograd, Russia (d. 1994)
- Jul 3 Susan Peters [Suzanne Carnahan], American actress (Random Harvest, Young Ideas), born in Spokane, Washington (d. 1952)
- Jul 10 Jean "Jeff" Donnell, American actress (Gidget Goes to Rome, Hoedown, 9 Girls), born in Windham, Maine (d. 1988)
- Jul 11 Ilse Werner [Ilse Charlotte Still], Dutch-German actress (Fernsehsender Paul Nipkow), born in Batavia, Dutch East Indies (d. 2005)
- Jul 13 Ernest Gold [Goldner], Austrian-born American film composer (Exodus), born in Vienna, Austria (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 17 Acquanetta [Mildred Davenport], American actress nicknamed "The Venezuelan Volcano" (Tarzan & Leopard Woman), born in Newberry, South Carolina (d. 2004)
- Jul 17 František Zvarík, Slovakian stage actor (Slovak National Theatre), born in Vrútky, Slovakia (d. 2008)
- Jul 23 Calvert DeForest, American comedian (Larry "Bud" Melman), born in Brooklyn, New York (d. 2007)
- Jul 23 Heinz Bennent, German actor (Possession, The Serpent's Egg), born in Stolberg, Germany (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 26 Jean Shepherd, American storyteller, radio personality (WOR-NYC, 1955-77), and writer (A Christmas Story; In God We Trust, All Others Pay Cash), born in Chicago, Illinois (d. 1999)
- Jul 27 Émile Genest, French Canadian actor (The Man from U.N.C.L.E., Les Plouffe), born in Quebec City, Canada (d. 2003)
- Jul 29 Richard Egan, American actor (Empire; Redigo; Pollyanna), born in San Francisco, California (d. 1987)
- Jul 30 George Lampe, Dutch painter and director (Free Academy), born in Schiedam, Netherlands (d. 1982)
About July 1921
How Old? 103 years old
Generation: Greatest Generation
Leap Year: No
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