- Oct 2 Jack Dellal, British property investor and multi-millionaire (Allied Commercial Holdings), born in Chorlton-cum-Hardy, Manchester, England, (d. 2012)
- Oct 3 Edward Oliver LeBlanc, Dominican politician, born in Vieille Case, Dominica (d. 2004)
- Oct 3 Stanisław Skrowaczewski, Polish-American conductor (Minnesota Orchestra, 1960-79) and composer (Passacaglia Immaginaria), born in Lwów, Second Polish Republic (now Lviv, Ukraine) (d. 2017)
Charlton Heston (1923-2008)
Oct 4 American actor (The Ten Commandments; Ben-Hur; Planet of Apes), born in Wilmette, Illinois,
- Oct 5 Albert Guðmundsson, Icelandic footballer and politician (Minister of Finance), born in Reykjavík, Iceland (d. 1994)
- Oct 5 Bill Wirtz, American longtime Chicago Blackhawks owner, born in Chicago, Illinois (d. 2007)
- Oct 5 Glynis Johns, British stage and screen Tony Award-winning actress and singer (Mary Poppins; A Little Night Music - "Send In The Clowns"; The Sundowners), born in Pretoria, South Africa (d. 2024) [1]
- Oct 5 Philip Berrigan, American peace activist and Roman Catholic priest, born in Two Harbors, Minnesota (d. 2002)
- Oct 5 Stig Dagerman, Swedish writer (Burned Child), born in Älvkarleby, Uppsala County, Sweden (d. 1954)
- Oct 6 Yaşar Kemal, Turkish writer (Memed, My Hawk), born in Hemite, Osmaniye, Ottoman Empire (d. 2015)
- Oct 7 Irma Grese, German Nazi concentration camp guard known as the "Hyena of Auschwitz", and convicted war criminal, born in Wrechen, Prussia, German Republic (d. 1945)
- Oct 7 Jean-Paul Riopelle, French-Canadian painter (Vent du nord), sculptor (La Défaite), and Québécois member of Les Automatistes, born in Montreal, Quebec (d. 2002)
- Oct 9 Donald Sinden, English actor (Doctor at Large, Mogambo, Simba), born in St Budeaux, Plymouth, (d. 2014)
- Oct 9 Helen Jones Woods, American jazz and swing trombone player (International Sweethearts of Rhythm), born in Meridian, Mississippi (d. 2020) [some sources give birthday as 14 November]
- Oct 9 Ronald Tremain, New Zealand composer, born in Feilding, New Zealand (d. 1998)
- Oct 10 Louis Gottlieb, American musician (The Limeliters), born in La Crescenta, California (d. 1996)
- Oct 10 Murray Walker, English motorsport commentator and journalist (Formula 1: BBC 1976-96, ITV 1997-2001), born in Birmingham, England (d. 2021)
- Oct 10 Nicholas Parsons, British presenter and actor described as "the ultimate quiz show host", born in Grantham, England (d. 2020)
- Oct 12 Goody Petronelli, American boxing trainer and manager, born in Brockton, Massachusetts (d. 2012)
- Oct 12 Jean Nidetch, American businesswoman and founder of Weight Watchers, born in Brooklyn, New York (d. 2015)
- Oct 13 Cyril Shaps, British actor, producer and voice artist (The Pianist), born in Highbury, London (d. 2003)
- Oct 13 Dorothy Bolden, American civil and women's rights activist, and founder of the National Domestic Worker's Union of America, born in Atlanta, Georgia (d. 2005)
- Oct 13 Faas Wilkes, Dutch soccer star (Xerxes, Fortuna, Inter Milan), born in Rotterdam, Netherlands (d. 2006)
- Oct 15 Italo Calvino, Italian author (If on a Winter's Night a Traveler), born in Santiago de Las Vegas, Cuba (d. 1985)
- Oct 16 Bert Kaempfert, German orchestra leader, songwriter ("Strangers in the Night"; "Danke Schoen"), and record producer (The Beatles first recordings), born in Hamburg (d. 1980)
- Oct 16 Linda Darnell, American actress (Unfaithfully Yours, A Letter to Three Wives), born in Dallas, Texas (d. 1965)
- Oct 17 Barney Kessel, American jazz and session guitarist (The Wrecking Crew), born in Muskogee, Oklahoma (d. 2004)
- Oct 18 Eileen Sheridan, English cyclist (record road cyclist - Land’s End-John O’Groats time stood for 36 years), born in Coventry, England (d. 2023) [1]
- Oct 18 Suzanne Perlman, Hungarian-Dutch artist, born in Budapest, Hungary (d. 2020)
- Oct 20 Herschel Bernardi, American actor (Arnie, Voice of Charlie the Tuna, Front), born in New York City (d. 1986)
- Oct 20 Joe Minogue, British journalist (Guardian) (d. 1996)
- Oct 20 Robert Craft, American conductor, writer and friend of Stravinsky, born in Kingston, New York (d. 2015)
- Oct 22 Bert Trautmann, German soccer goalkeeper (Manchester City 508 games; FWA Footballer of the Year 1956), born in Bremen, Germany (d. 2013)
- Oct 22 Pete Pihos, American Pro/College Football HOF end (Indiana University; 6 x Pro Bowl; 6 × First-team All-Pro; Philadelphia Eagles), born in Orlando, Florida (d. 2011)
- Oct 23 Frank Sutton, American actor (Marty; Gomer Pyle, U.S.M.C. - "Sgt. Carter"), born in Clarksville, Tennessee (d. 1974)
- Oct 23 Harold P. Warren, American film director (Manos: The Hands of Fate), born in New Haven, Connecticut (d. 1985)
- Oct 23 Ned Rorem, American Pulitzer Prize-winning composer (Air Music: Ten Etudes for Orchestra; Evidence of Things Not Seen), and author (The Paris Diary), born in Richmond, Indiana (d. 2022) [1]
- Oct 24 Denise Levertov, American poet and essayist (Joy Beneath the Skin), born in Ilford, Essex, England (d. 1997)
- Oct 25 Bobby Thomson, Scottish-American baseball player, born in Glasgow, Scotland (d. 2010)
- Oct 25 Don Banks, Australian orchestral, jazz, and film score composer, born in South Melbourne, Australia (d. 1980)
- Oct 25 Jean Duceppe, Quebec actor (Mon oncle Antoine), born in Montreal, Quebec (d. 1990)
- Oct 27 Ned Wertimer, American actor (The Jeffersons), born in Buffalo, New York (d. 2013)
- Oct 27 Roy Lichtenstein, Pop art painter (painted comic book panels), born in New York City (d. 1997)
Carl Djerassi (1923-2015)
Oct 29 Austrian-born American chemist and father of the contraceptive pill, born in Vienna, Austria
- Oct 29 Dietrich Manicke, German composer, born in Wurzen, Saxony, Germany (d. 2013)
- Oct 30 William Campbell, American character actor (Cannonball - "Jerry"; Hush… Hush, Sweet Charlotte: Dementia 13), born in Newark, New Jersey (d. 2011)
- Oct 31 Hicks B. Waldron, Chairman and CEO of Avon Products, Inc., born in Amsterdam, New York (d. 2017)
About October 1923
How Old? 100 years old
Generation: Greatest Generation
Leap Year: No