| Regimental number | 398 |
| Place of birth | Bendigo Victoria |
| Religion | Church of England |
| Occupation | Carpenter |
| Address | Oxford, Wollongong Road, Arncliffe, Sydney, New South Wales |
| Marital status | Married |
| Age at embarkation | 43 |
| Next of kin | Wife, Mrs Frances Alice Mackin, Wollongong Road, Arncliffe, Sydney, New South Wales |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 20th Battalion, A Company |
| AWM Embarkation Roll number | 23/37/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A35 Berrima on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 20th Battalion |
| Fate | Returned to Australia |
| Family/military connections | Son: 934 Lance Sergeant Christopher Talbot MACKIN, 2nd Pioneer Bn, returned to Australia, 10 March 1918. |
| Other details |
Medals: 1914-15 Star, British War Medal, Victory Medal |