| Regimental number | 3928 |
| Place of birth | Hammond, South Australia |
| School | Geelong Grammar School, Victoria |
| Religion | Church of England |
| Occupation | Clerk |
| Address | Bishon Grove, Albyn Grove, Strathfield, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 24 |
| Height | 5' 8" |
| Weight | 140 lbs |
| Next of kin | Father, E N Twopeny, Barrindalkie, W. Quorn, South Australia |
| Previous military service | Served in Gellong Grammar School Cadets; member for 3 months of Malvern, Victoria, Rifle Club. |
| Enlistment date | |
| Place of enlistment | Liverpool, New South Wales |
| Rank on enlistment | Private |
| Unit name | 3rd Battalion, 12th Reinforcement |
| AWM Embarkation Roll number | 23/20/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A7 Medic on |
| Regimental number from Nominal Roll | 3928A |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 13th Battalion |
| Fate | Died of wounds |
| Place of death or wounding | France |
| Age at death | 26 |
| Age at death from cemetery records | 26 |
| Place of burial | Etaples Military Cemetery (Plot XXX, Row F, Grave No. 10A), France |
| Panel number, Roll of Honour, Australian War Memorial | 71 |
| Miscellaneous information from cemetery records | Parents: Edward Howell and Amelia TWOPENY, Quorn, South Australia |
| Other details |
War service: Egypt, Western Front Medals: British War Medal, Victory Medal |
| Miscellaneous details | Surname entered incorrectly on Embarkation Roll as TWOPENNY. |
| Sources | NAA: B2455, TWOPENY Thomas Nowell |