| Name | Herbert Bertram MASON |
| Rank/Number | Gunner / 76560 |
| Regiment/Unit | Royal Garrison Artillery / 140th Siege Bty |
| Enlisted | Watford |
| Age/Date of death | 25 / 14 May 1917 |
| How died/Theatre of war | Died of wounds / Home |
| Residence at death | Croxley Green, Herts |
| Cemetery | Chorley Wood Road Cemetery, Herts |
| Grave Reference | D.6.27 |
| Location of memorial | Chenies |
| Date/Place of birth | c1892 / Amersham or Chenies |
| Date/Place of baptism | |
| Occupation of Casualty | carter on farm |
| Parents/Occupation | John & Charlotte Mason / farm labourer |
| Parents' Address | 1911: Old House Farm, Chenies |
| Wife | Annie Mason nee Silbey |
| Wife's Address | 14 Scots Hill, Croxley Green, Herts |
| Notes | Pension Papers on Ancestry. Died at Richmond Military Hospital |