He was born 1896 in
Earlsfield, Wandsworth, the son of Harry James (1864–1933) and Louisa Margaret (1859–1957) Haine; his father was a teacher who later worked for the
Metropolitan Police. They moved to
Richmond in the early 1900s and in 1911 they lived at 33, Selwyn Avenue. He attended the British School,
the Vineyard, before gaining a scholarship to the Richmond County School. In 1914 he passed the exams for the Institute of Chartered Accountants. He was a member of the Biddulph (
Petersham) Troop of
Boy Scouts, where his late brother had been assistant Scout-master, and paraded with them in the
1911 Coronation celebrations. ==First World War service==