- Dec 5 Johnny Pate, American jazz bassist (Stuff Smith, James Moody), pop, soul and R&B arranger and producer (The Impressions, Peabo Bryson), born in Chicago Heights, Illinois
- Dec 10 Abelardo Quinteros, Chilean composer (Horizon carré; Cantos al espejo), born in Valparaiso, Chile
- Dec 10 Linda Hayes [Bertha Williams], American R&B singer (Yes I Know), born in Linden, New Jersey (d. 1998)
- Dec 12 Bob Dorough, American jazz vocalist, pianist, composer, songwriter, arranger, and producer (Schoolhouse Rock!; Too Much Coffee Man), born in Cherry Hill, Arkansas (d. 2018)
- Dec 12 David Leon Kaplan, American-Canadian music professor (University of Saskatchewan, 1960-82), conductor (Saskatoon Symphony, 1962-72), and composer, born in Chicago, Illinois (d. 2015)
- Dec 12 Emahoy Tsegué-Maryam [Yewubdar Guèbrou], Ethiopian nun, pianist, and composer ("The Homeless Wanderer"), born in Addis Ababa, Ethiopia (d. 2023)
- Dec 16 Menahem Pressler, Israeli-American classical pianist (Beaux Arts Trio, 1955-2008), and educator (Indian University, 1955-2023), born in Magdeburg, Germany (d. 2023)
- Dec 16 Werner Haentjes, German conductor and composer of operas and film scores, born in Bocholt, Germany (d. 2001)
- Dec 23 Günther Schifter, Austrian music journalist and radio host, born in Vienna, Austria (d. 2008)
- Dec 23 Milt Okun, American music producer, conductor, and arranger (John Denver; Peter, Paul and Mary), born in Brooklyn, New York (d. 2016)
- Dec 25 Louis Lane, American conductor (Akron, 1959-83; Lake Erie Opera, 1964-72), and educator (Cleveland Institute, 1982-2004), born in Eagle Pass, Texas (d. 2016)
- Dec 30 Frank Motley, American R&B and jazz double-trumpeter and bandleader (The Motley Crew), born in Cheraw, South Carolina (d. 1998)
About December 1923
How Old? 100 years old
Generation: Greatest Generation
Leap Year: No
Chinese Zodiac: Pig
Star Signs: Sagittarius (Nov 22 - Dec 21), Capricorn (Dec 22 - Jan 19)
Country Singers
Jazz Singers
Opera Singers
Pop Singers
Rappers
Rock Singers