| Regimental number | 254 |
| Other Names | O'BYRNE, Thos. Michael |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | 203 Neil Street, Bendigo, Victoria |
| Marital status | Single |
| Age at embarkation | 28 |
| Next of kin | Father, John O'Byrne, 203 Neil Street, Bendigo, Victoria |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 21st Battalion, A Company |
| AWM Embarkation Roll number | 23/38/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A38 Ulysses on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 21st Battalion |
| Fate | Died at sea |
| Place of burial | No Known Grave |
| Commemoration details | Helles Memorial, Gallipoli, Turkey |
| Panel number, Roll of Honour, Australian War Memorial | 94 |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
