From Bermondsey (a district in South East London), London, Bob Marriott served as Private in the British Army during World War I and was an amateur champion of England at lightweight in 1912 and 1914 (and runner-up to F. Grace in 1913) before turning professional and made his professional dbut on 12 November 1927 against Ben Callicott at the National Sporting Club, taking a 15-round points decision.
He made his professional debut on 12 November 1917 against Ben Callicott at the National Sporting Club, taking a 15-round points decision. 
