John was born on the 18th May 1887, in Little Berkhamstead, Herts. Son of Thomas and Jane Mansfield. He was Baptised on the 19th June 1887 in Little Berkhamstead, Herts. The 1891 census shows John aged 3 years living with his Parents, 2 Brothers and 2 Sisters at Bucks Alley, Little Berkhamstead, Herts. and the 1901 Census shows John aged 14 years living with his widowed Mother, Brother and 2 Sisters at Stoney Yard, Essendon, Herts. His occupation is an Assistant. In 1911 the census shows John aged 24 years as a boarder at the Farmers Boy P.H., London Road, St Albans, Herts. (Lodging with his Brother and Sister in-law). His occupation is a General Labourer.