| Place of birth | Norwood, South Australia |
| School | Public School, Norwood, South Australia |
| Religion | Church of England |
| Occupation | Tailor |
| Address | 59 Beulah Road, Norwood, South Australia |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Father, George Henry Sleth, 59 Beulah Road, Norwood, South Australia |
| Previous military service | Served in Cadets and Citizen Military Forces. |
| Enlistment date | |
| Rank on enlistment | 2nd Lieutenant (Honorary Lieutenant) |
| Unit name | 27th Battalion, 9th Reinforcement |
| AWM Embarkation Roll number | 23/44/3 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A28 Miltiades on |
| Rank from Nominal Roll | 2nd Lieutenant |
| Unit from Nominal Roll | 27th Battalion |
| Fate | Killed in Action |
| Miscellaneous details (Nominal Roll) | *Given name Norman William |
| Place of death or wounding | Pozieres, Somme Sector, France |
| Age at death | 20 |
| Age at death from cemetery records | 20 |
| Place of burial | Courcelette British Cemetery (Plot II, row B, Grave No. 13), France |
| Panel number, Roll of Honour, Australian War Memorial | 111 |
| Miscellaneous information from cemetery records | Parents: George and Lucy SELTH, 59 Beulah Road, Norwood, South Australia |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |