| Regimental number | 6/3888 |
| Place of birth | Kirwee |
| Occupation | Labourer |
| Next of kin | Mother, Mrs J Summerville, Kirwee, Canterbury |
| Rank on embarkation | Private |
| Unit name | New Zealand Expeditionary Force, 9th Reinforcements, Canterbury Infantry Battalion, C Company |
| Embarkation details | Unit embarked from Wellington on board SS Maunganui on |
| Final rank | Private |
| Final unit | 2nd Light Trench Mortar Battery, Canterbury Infantry Regiment |
| Fate | Died of disease |
| Age at death from cemetery records | 22 |
| Place of burial | Tidworth Military Cemetery (Row C, Grave No 347), Wiltshire, England |
| Miscellaneous information from cemetery records | Parents: William and Jemima Summerville, Darfield, Christchurch |
| Miscellaneous details | Full name: Herbert Hallas Thomas Sidney |
| Sources | Nominal Roll Vol. 2: Roll 21, p. 27 |