- May 2 Jacob Gilboa [Erwin Goldberg], Israeli composer, born in Košice, Czechoslovakia (d. 2007)
- May 2 Jean-Marie Auberson, Swiss conductor, born in Chavornay, Switzerland (d. 2004)
- May 3 John Lewis, American jazz pianist, arranger, and composer (Modern Jazz Quartet, 1952-97), born in La Grange, Illinois (d. 2001)
- May 10 Bert Weedon, English guitar player ("Play in a Day" books), born in London (d. 2012)
- May 11 Beryl Bryden, British jazz and blues singer, and washboard player, born in Norwich, Norfolk, England (d. 1998)
- May 13 Gareth Morris, British flautist (Philharmonia Orchestra, 1948-72), and educator (Royal Academy of Music, 1945-85), born in Clevedon, Somerset, England (d. 2007)
- May 18 Lucia Mannucci, Italian jazz singer (Quartetto Cetra, 1947-88), born in Bologna, Kingdom of Italy (d. 2012)
- May 20 Elizabeth "Betty" Driver, British singer and actress (Coronation Street, Pardon the Expression), born in Leicester, England (d. 2011)
- May 21 Anthony Steel, British actor and singer (Malta Story, The Wooden Horse), born in London, England (d. 2001)
- May 23 Helen O'Connell, American big-band singer (Jimmy Dorsey Orchestra - "Green Eyes"; "Anapola"), and TV host (Today Show, 1956-58), born in Lima, Ohio (d. 1993) [1]
Peggy Lee (1920-2002)
May 26 American singer ("Fever"; "Is That All There Is?"), songwriter ("Mañana"), and actress (Pete Kelly's Blues; Lady and the Tramp), born in Jamestown, North Dakota
- May 27 Gwyneth George, Welsh cellist and teacher, born on the Mumbles, Wales (d. 2016)
- May 30 George London, bass-baritone (Monterone-Rigoleto), born in Montreal, Quebec (d. 1985)
- May 30 John Heawood, Canadian actor, singer and choreographer (Chitty Chitty Bang Bang), born in Canada (d. 1995)
About May 1920
How Old? 103 or 104 years old
Generation: Greatest Generation
Leap Year: Yes
Country Singers
Jazz Musicians
Opera Singers
Pop Stars
Rappers
Rockers