| Regimental number | 6128 |
| Place of birth | Limerick, Ireland |
| Religion | Roman Catholic |
| Occupation | Horse trainer |
| Address | 23 Pitt Street, Nelson's Point, North Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Mother, Mrs M McNamara, The Square, Kathkeale, County Limerick, Ireland |
| Enlistment date | 14 March 1916 |
| Place of enlistment | Sydney, New South Wales |
| Rank on enlistment | Private |
| Unit name | 4th Battalion, 19th Reinforcement |
| AWM Embarkation Roll number | 23/21/4 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A18 Wiltshire on 22 August 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | Australian Army Ordnance Corps |
| Fate | Effective abroad (still overseas) |
| Date of death | 20 February 1970 |
| Place of burial | Karrakatta Cemetery |
| Sources | NAA: B2455, McNAMARA William John |