
| Regimental number | 39668 |
| Place of birth | Melbourne Victoria |
| Other Names | Mackay, Ronald Grey |
| Religion | Church of England |
| Occupation | Farmer |
| Address | Tongala, Victoria |
| Marital status | Single |
| Age at embarkation | 25 |
| Next of kin | Mother, Mrs E A Mackay, c/o Miss Primrose, 659 Punt Road, South Yarra, Victoria |
| Enlistment date | |
| Rank on enlistment | Gunner |
| Unit name | Field Artillery Brigade, Reinforcement 35 |
| AWM Embarkation Roll number | 13/128/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board SS Port Darwin on |
| Rank from Nominal Roll | Gunner |
| Unit from Nominal Roll | 11th Field Artillery Brigade |
| Fate | Returned to Australia |
| Miscellaneous details (Nominal Roll) | *second given name two spellings Gray and Grey |
| Date of death | |
| Miscellaneous information from cemetery records | Plaque in Garden of Remembrance, Victoria. |