| Other Names | LAMB, Malcolm St John~ |
| Religion | Church of England |
| Occupation | School teacher |
| Address | Armidale, New South Wales |
| Marital status | Married |
| Age at embarkation | 42 |
| Next of kin | Wife, Mrs Ethel Lamb, 'Coomba', Marine drive, Sandringham, Sydney, New South Wales |
| Enlistment date | 27 August 1914 |
| Rank on enlistment | Lieutenant-Colonel |
| Unit name | 34th Battalion, Headquarters |
| AWM Embarkation Roll number | 23/51/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A20 Hororata on 2 May 1916 |
| Rank from Nominal Roll | Lieutenant-Colonel |
| Unit from Nominal Roll | 3rd Battalion |
| Fate | Returned to Australia 2 May 1918 |
