| Regimental number | 24/1746 |
| True Name | MERCER, Sydney Lawrence |
| Occupation | Labourer |
| Next of kin | Father, George Mercer, Patea |
| Rank on embarkation | Rifleman |
| Unit name | New Zealand Rifle Brigade, 1915, 3rd Reinforcements of 2nd Battalion, F Company |
| Embarkation details | Unit embarked from Wellington on board Tahiti on |
| Final rank | Private |
| Final unit | 2nd Battalion, Wellington Infantry Regiment |
| Fate | Died of wounds |
| Age at death from cemetery records | 23 |
| Place of burial | Heilly Station Cemetery (Plot IV, Row H, Grave No 34), Mericourt-L'Abbe, France |
| Miscellaneous information from cemetery records | Parents: George and Emily Mercer, Patea, Taranaki |
| Other details |
War service: Egypt, Western Front Medals: British War Medal, Victory Medal |
| Sources | Nominal Roll Vol. 2: Roll 15, p. 9 |