| Regimental number | 6282 |
| Place of birth | Willowie South Australia |
| Religion | Methodist |
| Occupation | Farmer |
| Address | Spaling, South Australia |
| Marital status | Single |
| Age at embarkation | 24 |
| Next of kin | Mother, Mrs J Llewelyn, Glenrose, Nailsworth, South Australia |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 10th Battalion, 20th Reinforcement |
| AWM Embarkation Roll number | 23/27/4 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A68 Anchises on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 10th Battalion |
| Fate | Killed in Action |
| Miscellaneous details (Nominal Roll) | *Spelt David Lindsay Llewelyn on NR |
| Place of burial | Tyne Cot Cemetery (Plot XXVIII, Row B, Grave No. 4), Passchendaele, Belgium |
| Panel number, Roll of Honour, Australian War Memorial | 59 |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |