| Regimental number | 3496 |
| Place of birth | Streaky Bay, South Australia |
| School | Wallaroo Model School, South Australia |
| Religion | Methodist |
| Occupation | Labourer |
| Address | Mardon Street, Wallaroo, South Australia |
| Marital status | Married |
| Age at embarkation | 22 |
| Height | 5' 7.5" |
| Weight | 126 lbs |
| Next of kin | Wife, Mrs Dorothea Amelia Garnish, Mardon Street, Wallaroo, South Australia |
| Previous military service | Served in Junior and Senior Cadets; transferred to 81st Bn, Citizen Military Forces. |
| Enlistment date | |
| Place of enlistment | Adelaide, South Australia |
| Rank on enlistment | Private |
| Unit name | 27th Battalion, 8th Reinforcement |
| AWM Embarkation Roll number | 23/44/2 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A30 Borda on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 10th Battalion |
| Fate | Died of wounds |
| Place of death or wounding | Merris, France |
| Age at death | 24 |
| Age at death from cemetery records | 24 |
| Place of burial | Borre British Cemetery (Plot II, Row A, Grave No. I), France |
| Panel number, Roll of Honour, Australian War Memorial | 59 |
| Miscellaneous information from cemetery records | Parents: James and Elizabeth GARNISH; husband of Dorothea GARNISH, 24 Yeronga Avenue North, Kensington Park, South Australia |
| Family/military connections | Brother: 178 Corporal Edward POOLE, 1st Light Horse Regiment, returned to Australia, 26 August 1918. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Sources | NAA: B2455, GARNISH William James |