| Regimental number | 39323 |
| Place of birth | Brisbane Queensland |
| Religion | Roman Catholic |
| Occupation | Clerk |
| Address | Brisbane, Queensland |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Mother, Mrs M Slattery, Doggett Street, Valley, Brisbane, Queensland |
| Previous military service | 1st Australian Field Artillery Brigade |
| Enlistment date | 20 October 1917 |
| Rank on enlistment | Gunner |
| Unit name | Field Artillery Brigade, Reinforcement 34 |
| AWM Embarkation Roll number | 13/128/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board SS Port Darwin on 30 April 1918 |
| Rank from Nominal Roll | Gunner |
| Unit from Nominal Roll | 3rd Field Artillery Brigade |
| Fate | Returned to Australia 9 July 1919 |
| Family/military connections | Brother: No.3265 Leo Vincent D'Arcy SLATTERY, 8th Battalion, who was killed in action at Pozieres, France on 24 July 1916. |