| Regimental number | 2140 |
| Other Names | Eric Mattinson |
| Religion | Church of England |
| Occupation | Clerk |
| Address | Melrose, South Australia |
| Marital status | Single |
| Age at embarkation | 29 |
| Next of kin | Mother, Mrs Mary Jane Willington, Melrose, South Australia |
| Enlistment date | 27 September 1915 |
| Date of enlistment from Nominal Roll | 6 August 1915 |
| Rank on enlistment | Private |
| Unit name | 32nd Battalion, 3rd Reinforcement |
| AWM Embarkation Roll number | 23/49/2 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A28 Miltiades on 7 February 1916 |
| Regimental number from Nominal Roll | Commissioned |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 32nd Battalion |
| Fate | Returned to Australia 6 September 1919 |
| Date of death | 28 January 1965 |
