| Place of birth | Singleton, New South Wales |
| Religion | Methodist |
| Occupation | Mech engineer |
| Address | Hornsby, New South Wales |
| Marital status | Single |
| Age at embarkation | 29 |
| Height | 5' 7.5" |
| Weight | 140 lbs |
| Next of kin | Father, William McNiven, 'Colenso', Pretoria Parade, Hornsby, New South Wales |
| Enlistment date | |
| Rank on enlistment | 2nd Lieutenant |
| Unit name | 45th Battalion, 5th Reinforcement |
| AWM Embarkation Roll number | 23/62/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A68 Anchises on |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 45th Battalion |
| Fate | Returned to Australia |
| Family/military connections | Brother: Capt Ronald James McNIVEN, effective abroad (still overseas). |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Sources | NAA: B2455, McNIVEN Charles Robert |