| Regimental number | 2344 |
| Place of birth | Musselbrook, New South Wales |
| Religion | Church of England |
| Occupation | Horse-breaker |
| Address | Carlane, Musselbrook, New South Wales |
| Marital status | Single |
| Age at embarkation | 18 |
| Height | 5' 6.5" |
| Weight | 133 lbs |
| Next of kin | Mother, Mrs Dina Nina Lucas, Car Lane, Musselbrook, New South Wales |
| Previous military service | Served in the 14th Infantry, Citizen Military Forces; still serving at time of AIF enlistment. Previously rejected for enlistment on account of teeth. |
| Enlistment date | 9 November 1915 |
| Date of enlistment from Nominal Roll | 23 November 1915 |
| Place of enlistment | West Maitland, New South Wales |
| Rank on enlistment | Private |
| Unit name | 1st Light Horse Regiment, 16th Reinforcement |
| AWM Embarkation Roll number | 10/6/4 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A25 Anglo Egyptian on 12 May 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | Imperial Camel Brigade |
| Fate | Returned to Australia 23 September 1916 |
| Discharge date | 5 February 1917 |
| Other details |
Commenced return to Australia on board HS 'Kanowna', 23 September 1916; discharged (medically unfit: bilharzia), Sydney, 5 February 1917. |
| Sources | NAA: B2344, LUCAS James John |