- Jul 1 Mary Calderone, American physician and founder (planned parenthood), born in NYC, New York (d. 1998)
- Jul 2 Carl Weinrich, American organist and composer, born in Paterson, New Jersey (d. 1981)
- Jul 2 Gerarda Rueter, Dutch sculptor, born in Amsterdam (d. 1993)
René Lacoste (1904-1996)
Jul 2 French tennis player (7 Grand Slam titles, Lacoste clothing), born in Paris, France
- Jul 4 Angela Baddeley, English actress (Ghost Train, Tom Jones), born in London, England (d. 1976)
- Jul 4 Artur Malawski, Polish composer, born in Przemyśl, Poland (d. 1957)
- Jul 4 Isaac Bashevis Singer, Polish-American yiddish writer (Yentl, Nobel Prize for Literature 1978), born in Leoncin, Russian Empire (d. 1991)
- Jul 4 Seger Ellis, American jazz pianist, pop vocalist, songwriter, and bandleader, born in Houston, Texas (d. 1995) [1]
- Jul 5 Don Goddard, American news anchor (ABC Evening News 1958-59), born in Binghamton, New York (d. 1994)
- Jul 5 Ernst Mayr, German-American biologist (evolutionary theory), born in Kempten, Bavaria, Germany (d. 2005)
- Jul 5 Franz Syberg, Danish organist and composer, born in Kerteminde, Funen, Denmark (d. 1955)
- Jul 5 Harold Acton, English-Italian historian and art collector, born in Villa La Pietra, Florence, Italy (d. 1994)
- Jul 5 Josephine Wilson, British actress (The Lady Vanishes, We Dive at Dawn), born in Bromley, England (d. 1990)
- Jul 5 Milburn Stone, American actor (Gunsmoke, Pickup on South Street), born in Burrton, Kansas (d. 1980)
- Jul 6 Erik Wickberg, 9th Salvation Army general, born in Gävle, Sweden (d. 1996)
- Jul 6 Robert Whitney, American conductor (Louisville Orchestra, 1937-67), educator (University of Louisville, 1956-71), and composer, born in Newcastle upon Tyne, England (d. 1986)
- Jul 7 Simone Beck, French chef (d. 1991)
- Jul 8 Bill Challis, American jazz arranger and pianist, born in Wilkes-Barre, Pennsylvania (d. 1994)
- Jul 8 Henri Cartan, French mathematician, born in Nancy (d. 2008)
- Jul 10 Iša Krejčí, Czech composer, born in Prague (d. 1968)
- Jul 10 Ivie Anderson, American swing jazz singer (Duke Ellington Orchestra, 1931-42), born in Bossier, Louisiana (d. 1949) [some sources give birth year as 1905, and birthplace as Gilroy, California] [1]
- Jul 11 Daphne Fielding (née Vivian), British socialite and writer, born in Westminster, London (d. 1997)
Pablo Neruda (1904-1973)
Jul 12 Chilean poet (Residence on Earth-Nobel 1971), born in Parral, Chile
- Jul 14 Richard Clarkson, British aeronautical engineer (Hawker Siddeley - Trident wing), born in London, England (d. 1996)
- Jul 15 Dorothy Fields, American lyricist ("I'm In The Mood For Love"; "The Way You Look Tonight"), born in Allenhurst, New Jersey (d. 1974)
- Jul 15 Rudolf Arnheim, German-born author (d. 2007)
- Jul 16 Goffredo Petrassi, Italian composer (Beatitudines), born in Zagarolo, Italy (d. 2003)
- Jul 16 Leo Joseph Suenens, Belgian prelate of the Roman Catholic Church, born in Ixelles, Belgium (d. 1996)
- Jul 17 Jef Alpaerts, Flemish pianist, educator, and conductor (Collegium Musicum Antverpiense), born in Antwerp, Belgium (d. 1973)
- Jul 23 Adone Zecchi, Italian composer, born in Bologna (d. 1995)
- Jul 24 James R. Killian Jr., 10th president of the Massachusetts Institute of Technology (1948-59), born in Blacksburg, South Carolina (d. 1988)
- Jul 24 Leo Arnaud, French-American composer (Bugler's Dream), born in Lyon, France (d. 1991)
- Jul 24 Nikolay Kuznetsov, Russian naval commander (Admiral of the Fleet during World War II), born in Medvedki, Russian Empire (d. 1974)
- Jul 26 Jack Westrup, English composer, born in London (d. 1975)
- Jul 27 Anton Dolin [Sydney Francis Patrick Chippendall Healey-kay], British dancer (Girl From Petrovka), born in Slinfold, Sussex, England (d. 1983)
- Jul 27 Kenneth Bainbridge, American physicist (measurements of mass differences between nuclear isotopes), born in Cooperstown, New York (d. 1996)
- Jul 28 Selwyn Lloyd, British politician (Foreign Secretary, 1955-60; Exchequer, 1960-62; Leader of the House of Commons, 1963–64; Speaker of the House of Commons, 1971-76),, born in West Kirby, England (d. 1978)
- Jul 29 J. R. D. Tata, Indian industrialist (d. 1993)
- Jul 30 Salvador Novo, Mexican writer and poet, born in Mexico City, Mexico (d. 1974)
- Jul 31 Arthur Daley, American sportswriter (NY Times-Pulitzer 1956), born in NYC, New York (d. 1974)
- Jul 31 Brett Halliday, American writer (Dividend on Death), born in Chicago, Illinois (d. 1977)
About July 1904
How Old? 118 years old
Generation: Greatest Generation
Leap Year: Yes