| Regimental number | 20238 |
| Place of birth | Magill England |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | 4 Muller Street, Norwood, South Australia |
| Marital status | Single |
| Age at embarkation | 24 |
| Next of kin | Mother, Mrs Margaret Dwyer, Third Creek, Magill, South Australia |
| Enlistment date | |
| Rank on enlistment | Gunner |
| Unit name | Field Artillery Brigade 8, Brigade Ammunition Column |
| AWM Embarkation Roll number | 13/36/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A7 Medic on |
| Rank from Nominal Roll | Sergeant |
| Unit from Nominal Roll | 8th Field Artillery Brigade |
| Recommendations (Medals and Awards) |
Distinguished Conduct Medal Recommendation date: Mention in Despatches Awarded, and promulgated, 'London Gazette' No. 31089 (31 December 1918); 'Commonwealth Gazette' No. 61 (23 May 1919). |
| Fate | Returned to Australia |
| Miscellaneous information from cemetery records | Plaque in South Australian Garden of Remembrance |
| Family/military connections | Brothers: 787 Pte Jack Luke DWYER, 27th Bn, returned to Australia, 28 March 1919; 20239 Gunner William Lawrence DWYER, 8th Field Artillery Brigade, died of wounds, 27 October 1918. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Date of death |