| Regimental number | 1419 |
| Place of birth | Nairn, South Australia |
| Other Names | Alan Stuart |
| Religion | Church of England |
| Occupation | Electrical engineer |
| Address | c/o R. Bigg, Echunga, South Australia |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Father, Richard Bigg, Echunga, South Australia |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 3rd Light Horse Regiment, 11th Reinforcement |
| AWM Embarkation Roll number | 10/8/3 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A24 Benalla on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 3rd Light Horse Regiment |
| Fate | Returned to Australia |
| Family/military connections | Brothers: 269 Pte Lyndon BIGG, 7th Field Company Engineers, died of wounds, 21 October 1917; 3688 Pte Lloyd Atkinson BIGG, 10th Bn, returned to Australia, 12 November 1916. |
| Other details |
Medals: 1914-15 Star, British War Medal, Victory Medal |