| Regimental number | 1109 |
| Place of birth | Wasleys, South Australia |
| School | Sisters Saint Joseph (Catholic) School, Gawler, South Australia |
| Religion | Roman Catholic |
| Occupation | Platelayer |
| Address | Railway Station, Gawler, South Australia |
| Marital status | Single |
| Age at embarkation | 29 |
| Next of kin | Father, Patrick Whelan, Railway Station, Gawler, South Australia |
| Previous military service | Nil |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 28th Battalion, C Company |
| AWM Embarkation Roll number | 23/45/1 |
| Embarkation details | Unit embarked from |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT A11 Ascanius on |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT A36 on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 28th Battalion |
| Fate | Died of wounds |
| Place of death or wounding | Pozieres, Somme Sector, France |
| Age at death | 30 |
| Place of burial | Puchevillers British Cemetery (Plot II, Row E, Grave 16), France |
| Panel number, Roll of Honour, Australian War Memorial | 115 |
| Miscellaneous information from cemetery records | Parents: Patrick and Catherine WHELAN. |
| Family/military connections | Brother: 5296 Pte D. WHELAN, 2nd Field Ambulance, Whelan, No. 1999, 27th Australian Infantry Battalion, M.S.`~ |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |