| Regimental number | 7/951 |
| Address | Kaikoura |
| Marital status | Single |
| Next of kin | Mother, Mrs Sarah McAlister Drain, Tuapeka Mouth, Otago |
| Rank on embarkation | Trooper |
| Enlistment status | Volunteer |
| Unit name | New Zealand Expeditionary Force, 4th Reinforcements, Canterbury Mounted Rifles |
| Embarkation details | Unit embarked from Wellington on board HMNZT 23 Waitomo on |
| Final rank | Trooper |
| Final unit | Canterbury Mounted Rifles Regiment |
| Fate | |
| Age at death from cemetery records | 36 |
| Place of burial | Tuapeka Mouth Cemetery |
| Family/military connections | Brother: 8/189 Thomas McAlister DRAIN |
| Other details |
War service: Egypt Medals: 1914-15 Star, British War Medal, Victory Medal |
| Miscellaneous details | Nominal Roll Vol. 1: Canterbury Mounted Rifles/Fourth |