| Regimental number | 5139 |
| Religion | Roman Catholic |
| Occupation | Blacksmith |
| Address | Ballarat East, Victoria |
| Marital status | Married |
| Age at embarkation | 45 |
| Next of kin | Wife, Mrs F O'Halloran, 3 Haines Street, Ballarat East, Victoria |
| Enlistment date | 31 March 1916 |
| Rank on enlistment | Sapper |
| Unit name | July 1916 Reinforcements |
| AWM Embarkation Roll number | 16/14/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A26 Armadale on 19 July 1916 |
| Rank from Nominal Roll | Sergeant |
| Unit from Nominal Roll | 2nd Rft Tunnelling Company |
| Fate | Returned to Australia 8 April 1917 |
| Miscellaneous details | Alias: James Thomas MAHER; see also 5139 James Thomas O'HALLORAN |
