| Regimental number | 520 |
| Religion | Church of England |
| Occupation | Clerk |
| Address | Casterton, Victoria |
| Marital status | Single |
| Age at embarkation | 24 |
| Next of kin | Mother, Mrs Mary Camilla O'Neill, Mount Derrimut, Deer Park, Victoria |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 22nd Battalion, 16th Reinforcement |
| AWM Embarkation Roll number | 23/39/4 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A71 Nestor on |
| Rank from Nominal Roll | Corporal |
| Unit from Nominal Roll | 22nd Battalion |
| Fate | Returned to Australia |
| Miscellaneous details (Nominal Roll) | *Spelt Lawrence Thayer O'Neill on NR |
| Medals |
Military Medal 'For conspicuous gallantry in leadidng his section after being wounded against the trenches near BULLECOURT on 3rd May 1917. During a bomb attack he picked up and threw a Mills bomb with lever released that first been dropped by a wounded man thereby undoubtedly saving several casualties.'
Source: 'Commonwealth Gazette' No. 189 Date: |
| Other details |
War service: Western Front Medals: Military Medal, British War Medal, Victory Medal |
| Date of death | |
| Place of burial | Fawkner Cemetery |