| Regimental number | 105 |
| Religion | Church of England |
| Occupation | Orchardist |
| Address | 21 Dalton Road, Mosman, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 26 |
| Next of kin | Father, John James St Clair, 21 Dalton Road, Mosman, Sydney, New South Wales |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | Machine Gun Company 9 |
| AWM Embarkation Roll number | 24/14/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A24 Benalla on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 9th Machine Gun Company |
| Fate | Died of wounds |
| Age at death from cemetery records | 27 |
| Place of burial | Bailleul Communal Cemetery Extension (Plot III, Row C, Grave No. 204), France |
| Panel number, Roll of Honour, Australian War Memorial | 179 |
| Miscellaneous information from cemetery records | Parents: John and Elizabeth ST.CLAIR, 21 Dalton Road, Mosman, New South Wales |