| Regimental number | 21123 |
| Place of birth | Boulder City Western Australia |
| Religion | Roman Catholic |
| Occupation | Electrical fitter |
| Address | Victoria Park, Western Australia |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, Michael Mannion, Broken Hill Hotel, Victoria Park, Western Australia |
| Enlistment date | 12 July 1917 |
| Rank on enlistment | Sapper |
| Unit name | 1st to 5th Divisional Signal Companies and Signallers November 1917 Reinforcements |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A71 Nestor on 28 February 1918 |
| Rank from Nominal Roll | Gunner |
| Unit from Nominal Roll | 8th Field Artillery Brigade |
| Fate | Effective abroad (still overseas) |
