| Regimental number | 3126 |
| Place of birth | Belfast, Ireland |
| Religion | Presbyterian |
| Occupation | Boilermaker |
| Address | 12 Munn Street, Miller's Point, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Father, S McKnight, 38 Rowan Street, Belfast, Ireland |
| Enlistment date | 13 February 1917 |
| Place of enlistment | Sydney, New South Wales |
| Rank on enlistment | Private |
| Unit name | 1st Light Horse Regiment, 24th Reinforcement |
| AWM Embarkation Roll number | 10/6/5 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A42 Boorara on 10 May 1917 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 1st Light Horse Regiment |
| Fate | Returned to Australia 13 March 1919 |
| Date of death | 31 October 1932 |
| Sources | NAA: B2455, McKNIGHT Samuel |