There a listing on the Commonwealth War Graves Commission website for a son of Hannah :
George Richard Boult / Rank : Private
Service No: 9851
Date of Death: 15 Sept 1916 / Age 22
Regiment: 2nd Bn. Scots Guards
Cemetery : Guards Cemetary Lesboeufs / Ref. XII. I. 9.
Son of George Richard and Hannah Elizabeth Boult,
of 64, Seymour St., St. John's, Deptford, London. Native of Greenwich.
see :
linkShane