[1] Chester was born in San Francisco, California to David Cohn and Minnie (née Newman; 1871–1946).
Conn's best-known song is the jazz standard "Sunday" (Jule Styne, Ned Miller, Benny Krueger, lyrics; ©1926).
The performers who have recorded Conn's songs include Nat King Cole, John Coltrane, Eddie Fisher, Coleman Hawkins, Milt Jackson, Carmen McRae, Gerry Mulligan, Buddy Rich, Frank Sinatra, Clark Terry, and Ben Webster, Lester Young.
Chester Conn died of a heart attack April 4, 1973, while living in Flushing, Queens, aged 78.
Ella Conn (Chester's daughter-in-law) was an aunt to Gary Nardino (1935-1998), a notable Hollywood TV and film director, producer, and industry executive.