John Davis was born on November 10, 1906 in London, England, UK. He was married to Felicity Rutland, Dinah Sheridan, Marion Gavid and Joan Buckingham. He died on May 27, 1993 in London, England, UK.
His first job was with the British Thomson-Houston Electric Group (1931-38), and in 1938 he joined Oscar Deutsch's Odeon theatre chain as chief accountant.