When Leslie Walter Sutton was born in 1905, in Aston, Warwickshire, England, United Kingdom, his father, Walter Edward Sutton, was 26 and his mother, Maud Amelia Foden, was 25. He married Martha Annie Gulliver on 31 December 1937, in New Zealand. He died on 30 October 1978, in Auckland, North Island, New Zealand, at the age of 73.