Henry William Ballam was born on 24th November 1884, in Peckham, London, son of Henry William Ballam, a Sawyer (B 1861 in Newington, London and Alice Maud Ballam (nee Feneron) (B 1865 in Walworth, London). The eldest of 6 children.
1891 Census records Henry aged 6, at school, living with his parents, brothers William 5, Frederick 1 and sister Alice 3, in East Surrey Grove, Camberwell, London/Surrey.
No Census records for 1901 found for Henry.
In July 1902, aged 18 Henry enlisted in the Middlesex Regiment Militia for 6 years with the Service No. 2664. His address at the time was 6 Cator Street, Saint Georges Way, Peckham, London and his occupation was a Boot Maker. In February of 1903 he transferred to the regular Army and was posted to the East Surrey Regiment on 16th February 1903, with the Service No. 7750, signing on for 3 years in the colours and 9 years in the reserve. July of 1905, while serving in Jersey he applied to extend his service which was excepted.
It is not known when Harry married Sarah Ann (possible Sarah Ann King). The CWGC records her address as "The Hermitage" Chesham Road, Wigginton, Tring, Herts, and her war pension records give her address as Scotland Green Road, Ponders End, Middlesex.