| Regimental number | 939 |
| Place of birth | Beringham England |
| Religion | Church of England |
| Occupation | Engineer |
| Address | Western Road, Tara via Dalby, Queensland |
| Marital status | Married |
| Age at embarkation | 42 |
| Next of kin | Wife, Mrs Fanny Yapp, Western Road, Tara via Dalby, Queensland |
| Enlistment date | |
| Place of enlistment | Toowoomba, Queensland |
| Rank on enlistment | Private |
| Unit name | 3rd Pioneer Battalion, C Company |
| AWM Embarkation Roll number | 14/15/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A62 Wandilla on |
| Rank from Nominal Roll | Sergeant |
| Unit from Nominal Roll | 3rd Aust Division Motor Transport Company |
| Fate | Returned to Australia |
| Family/military connections | Son: 1998 Bombardier Thomas Henry YAPP, 11th Field Artillery Brigade, returned to Australia, 1 May 1919. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |