| Regimental number | 884 |
| Place of birth | Hobart, Tasmania |
| Religion | Church of England |
| Occupation | Stock rider |
| Address | Oatlands, Tasmania |
| Marital status | Single |
| Age at embarkation | 21.1 |
| Height | 5' 7" |
| Weight | 140 lbs |
| Next of kin | Father, C Gellie, Oatlands, Tasmania |
| Previous military service | Served for 6 months in the Senior Cadets; Exempt Area under Compulsory Military Training scheme. |
| Enlistment date | |
| Place of enlistment | Claremont, Tasmania |
| Rank on enlistment | Private |
| Unit name | 26th Battalion, C Company |
| AWM Embarkation Roll number | 23/43/1 |
| Embarkation details | Unit embarked from Brisbane, Queensland, on board HMAT A60 Aeneas on |
| Regimental number from Nominal Roll | Commissioned |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 26th Battalion |
| Fate | Returned to Australia |
| Discharge date | |
| Family/military connections | Brother: 883 Pte Mervyn GELLIE, 26th Bn, killed in action, 5 August 1916. |
| Other details |
War service: Egypt, Gallipoli, Western Front Commenced return to Australia on board HT 'Takada', 24 December 1918 (multiple gun shot wounds, chest, right leg); appointment terminated (discharged), Hobart, 6 June 1919. Medals: 1914-15 Star, British War Medal, Victory Medal |
| Sources | NAA: B2455, GELLIE Harold Gordon |