| Name | Leslie Herbert Charles Markham YOUNG |
| Rank/Number | Able Seaman / London Z/701 |
| Regiment/Unit | Royal Naval Volunteer Reserve / Hawke Bn RlN Division |
| Enlisted | |
| Age/Date of death | 19 / 20 Jun 1915 |
| How died/Theatre of war | Killed in action / |
| Residence at death | 147 Banbury Rd, H Wycombe |
| Cemetery | Helles Memorial, Turkey |
| Grave Reference | Panel 8 to 15 |
| Location of memorial | High Wycombe Hospital |
| Date/Place of birth | 16 Jan 1896 / High Wycombe |
| Date/Place of baptism | 20 Feb 1896 High Wycombe |
| Occupation of Casualty | |
| Parents/Occupation | Herbert Edward & Caroline Markham / chemist & druggist |
| Parents' Address | Claremont, 147 Banbury Rd, High Wycombe |
| Wife | |
| Wife's Address |