| Regimental number | 45 |
| Place of birth | Waverley, New South Wales |
| Religion | Presbyterian |
| Occupation | Student |
| Marital status | Single |
| Age at embarkation | 20 |
| Height | 5' 6" |
| Weight | 136 lbs |
| Next of kin | Father, George C Begg, Winderemere, 6 Southhead Road, Waverley |
| Previous military service | Nil |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Place of enlistment | Holsworthy, New South Wales |
| Rank on enlistment | Private |
| Unit name | Veterinary Section 1 |
| AWM Embarkation Roll number | 27/26/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board Transport A31 Ajana on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 1st Veterinary Section |
| Fate | Died of disease |
| Age at death | 20 |
| Place of burial | Cairo War Memorial Cemetery (Row B, Grave No. 173), Egypt |
| Panel number, Roll of Honour, Australian War Memorial | 184 |
| Other details |
War service: Egypt, Gallipoli Admitted to Hospital, Mena, 12 February 1915; died of illness, Citadel Hospital, Cairo, 11 March 1915 (appendicitis). Medals: 1914-15 Star, British War Medal, Victory Medal |
| Sources | NAA: B2455, BEGG Lancelot Darcy |