| Regimental number | 37335 |
| Date of birth | |
| Place of birth | Brisbane, Queensland |
| Religion | Presbyterian |
| Occupation | Accountant |
| Address | Beaconsfield Street, Highgate Hill, South Brisbane, Queensland |
| Marital status | Single |
| Age at embarkation | 27 |
| Next of kin | Mother, Mrs Jessie Mercer, Beaconsfield Street, Highgate Hill, South Brisbane, Queensland |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Gunner |
| Unit name | Field Artillery Brigade, Reinforcement 30 |
| AWM Embarkation Roll number | 13/128/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A15 Port Sydney on |
| Rank from Nominal Roll | Gunner |
| Unit from Nominal Roll | 11th Field Artillery Brigade |
| Fate | Returned to Australia |
| Miscellaneous information from cemetery records | Parents: Andrew and Jessie MERCER. Plaque in Queensland Garden of Remembrance. |
| Discharge date | |
| Family/military connections | Brother: 35530 Gunner Andrew Lindsay Grey MERCER, 4th Field Artillery Brigade, returned to Australia, 8 January 1919. |
| Other details |
Embarked at Sydney and disembarked at Suez on 12 December 1917 Wounded in the field (Rouen, France) gas shell wound in October 1918. Transferred to Bath War Hospital England on 2 November 1918 and then to the 3rd Auxiliary Hospital, Dartford on 11 December 1918 War Service: England, France Invalided home to Australia per H.T. 'Plassy' arriving on 30 April 1919 Medals: British War Medal, Victory Medal |
| Date of death | |
| Age at death | 53 |
| Place of burial | Mt Thompson Crematorium, Mt. Gravatt, Brisbane, Queensland |