| Name | William Garnet Riley MOUNTAIN |
| Rank/Number | Corporal / 10692 |
| Regiment/Unit | Royal Dublin Fusiliers / 1st Battalion |
| Enlisted | Aldershot |
| Age/Date of death | 23 / 25 Sep 1915 |
| How died/Theatre of war | Drowned / Home |
| Residence at death | 2 Elm Villas, Speedwell Rd, Haymills |
| Cemetery | Cliveden War Cemetery, Bucks |
| Grave Reference | 1 |
| Location of memorial | Cliveden War Cemetery |
| Date/Place of birth | c1892 / Launceston, Tasmania |
| Date/Place of baptism | |
| Occupation of Casualty | |
| Parents/Occupation | Pte Samuel Henry Riley Mountain & Alice / |
| Parents' Address | |
| Wife | |
| Wife's Address | |
| Notes | gravestone & SDGW state he was born at Trobe, Devon. This could be Latrobe near Launceston, Tasmania. Full report in Reading Mercury 2 Oct 1915 . Accident at Marlow Lock. Died at Duchess of Connaughts Hospital. |