| Regimental number | 994 |
| Place of birth | Bendigo, Victoria |
| Religion | Roman Catholic |
| Occupation | Timekeeper |
| Address | c/o Mrs McGrath, Otisa, McPherson's Street, Neutral Bay, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Father, John Brennan, Charlton Road, Bendigo, Victoria |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Lance Corporal |
| Unit name | Signal Troop 4 |
| AWM Embarkation Roll number | 22/22/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A31 Ajana on |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 2nd Signal Corps/Company |
| Recommendations (Medals and Awards) |
Mention in Despatches Awarded, and promulgated, 'London Gazette' No. 31448 (11 July 1919); 'Commonwealth Gazette' No. 124 (30 October 1919). |
| Fate | Returned to Australia |
| Other details |
Medals: 1914-15 Star, British War Medal, Victory Medal |