| Regimental number | 3008 |
| Place of birth | Collingwood, Victoria |
| School | Cambridge Street State School, Melbourne, Victoria |
| Religion | Methodist |
| Occupation | Carrier |
| Address | 153 Victoria Parade, Fitzroy, Victoria |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Aunt, Mrs Ellen Robertson, 23 Couch Street, Northcote, Victoria |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 23rd Battalion, 7th Reinforcement |
| AWM Embarkation Roll number | 23/40/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A73 Commonwealth on |
| Other details from Roll of Honour Circular | Name given on RoH circular as John Henry Forbes BIGGS. |
| Fate | No details of fate entered on Nominal Roll |
| Place of death or wounding | Armentieres, France |
| Date of death | |
| Age at death | 22 |
| Age at death from cemetery records | 22 |
| Place of burial | Cite Benjean military Cemetery (Plot III, Row A, Grave No. 9), Armentieres, France |
| Panel number, Roll of Honour, Australian War Memorial | 174 |
| Miscellaneous information from cemetery records | Parents: John and Alice BIGGS. Born at Collingwood, Victoria |
| Other details |
War service: Egypt, Western Front Medals: British War Medal, Victory Medal |