| Regimental number | 3687 |
| Religion | Church of England |
| Occupation | Traveller |
| Address | 21 Dalton Road, Mosman, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 29 |
| Next of kin | Father, John St Clair, 21 Dalton Road, Mosman, Sydney, New South Wales |
| Enlistment date | 13 March 1916 |
| Date of enlistment from Nominal Roll | 22 February 1916 |
| Rank on enlistment | Corporal |
| Unit name | Tunnelling Company 4, Headquarters 1 |
| AWM Embarkation Roll number | 16/10/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A69 Warilda on 22 May 1916 |
| Rank from Nominal Roll | Corporal |
| Unit from Nominal Roll | 1st Tunnelling Company |
| Fate | Returned to Australia 6 July 1919 |
