| Regimental number | 8358 |
| Date of birth | |
| Place of birth | Hope Valley, South Australia |
| Other Names | William Arnold |
| School | Norwood Public School, South Australia |
| Religion | Methodist |
| Occupation | Clerk |
| Address | Vernon Street Norwood, South Australia |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Mother, Mrs Priscilla Harry, Vernon Street Norwood, South Australia |
| Previous military service | 34th Battery Australian Field Artillery |
| Enlistment date | |
| Rank on enlistment | Bombardier |
| Unit name | Field Artillery Brigade 6, Battery 18 |
| AWM Embarkation Roll number | 13/34/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A34 Persic on |
| Rank from Nominal Roll | 2nd Lieutenant |
| Unit from Nominal Roll | 6th Field Artillery Brigade |
| Recommendations (Medals and Awards) |
Military Medal Recommendation date: |
| Fate | Returned to Australia |
| Medals |
Military Medal Source: 'Commonwealth Gazette' No. 9 Date: |
| Discharge date | |
| Family/military connections | Brother: 587 Corporal Charles Melville HARRY, 27th Bn, killed in action, 8 January 1918. |
| Other details |
War service: Egypt, Western Front |
| Date of death | |
| Place of burial | Brighton Cemetery, South Australia |