| Name | Sidney Alfred TOPLIS (d) |
| Rank/Number | Acting Sergeant / G/5750 |
| Regiment/Unit | Royal Sussex Regiment / 9th Battalion |
| Enlisted | Arundel |
| Age/Date of death | 23 / 13 Apr 1917 |
| How died/Theatre of war | Killed in action / BEF |
| Residence at death | |
| Cemetery | Ypres (Menin Gate) Memorial, Ieper, Belgium |
| Grave Reference | Panel 20 |
| Location of memorial | High Wycombe, Royal Grammar School |
| Date/Place of birth | 20 Aug 1893 / High Wycombe |
| Date/Place of baptism | |
| Occupation of Casualty | in father's business |
| Parents/Occupation | Charles & Mary A (Hilary A) Toplis / oilman, shopkeeper |
| Parents' Address | 18 New Upperton Rd, Eastbourne, Sussex |
| Wife | |
| Wife's Address |