| Regimental number | 66200 |
| Religion | Church of England |
| Occupation | Watchmaker |
| Address | Moree, New South Wales |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Father, A J De Longchamp, Balo Street, Moree, New South Wales |
| Previous military service | 13th Infantry |
| Enlistment date | 1 July 1918 |
| Rank on enlistment | Private |
| Unit name | New South Wales Reinforcement 20 |
| AWM Embarkation Roll number | 23/111/6 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board SS Zealandic on 5 October 1918 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 57th Battalion |
| Fate | Returned to Australia 24 July 1919 |
| Miscellaneous details (Nominal Roll) | *Spelt Stanley Gordon Delongchamp on NR |