| Regimental number | 303 |
| Place of birth | Toowoomba, Queensland |
| Religion | Church of England |
| Occupation | Shop assistant |
| Address | Gomoran, via Goomburrgee, Queensland |
| Marital status | Single |
| Age at embarkation | 27 |
| Height | 5' 10.5" |
| Weight | 147 lbs |
| Next of kin | Father, W. F. Baartz, Cooly Creek, Gomoran, Queensland |
| Previous military service | Served in 9th (Moreton) Infantry Regiment; left the district; then in 3rd Australian Light Horse Regiment, Citizen Military Forces; still serving at time of AIF enlistment. |
| Enlistment date | 20 August 1914 |
| Date of enlistment from Nominal Roll | 20 August 1914 |
| Place of enlistment | Brisbane, Queensland |
| Rank on enlistment | Private |
| Unit name | 2nd Light Horse Regiment, B Squadron |
| AWM Embarkation Roll number | 10/7/1 |
| Embarkation details | Unit embarked from Brisbane, Queensland, on board Transport A15 Star of England on 24 September 1914 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 2nd Light Horse Regiment |
| Fate | Returned to Australia 8 October 1915 |
| Sources | NAA: B2455, BAARTZ Julius John |
