| Regimental number | 3284 |
| Place of birth | London England |
| Religion | Church of England |
| Occupation | Clerk |
| Address | Tower House Palmerston Road, North Unley, South Australia |
| Marital status | Married |
| Age at embarkation | 38 |
| Next of kin | Mrs H Knapp, Tower House Palmeston Road, North Unley, South Australia |
| Enlistment date | 21 April 1915 |
| Date of enlistment from Nominal Roll | 23 April 1915 |
| Rank on enlistment | Private |
| Unit name | 10th Battalion, 11th Reinforcement |
| AWM Embarkation Roll number | 23/27/3 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A24 Benalla on 27 October 1915 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 10th Battalion |
| Fate | Returned to Australia 26 September 1917 |
| Other details | Name recorded in Burial Register as George Russell KNAPPS. |
| Date of death | 22 March 1922 |
| Age at death | 47 |
| Place of burial | AIF Cemetery (Path 4 E, Grave 8), West Terrace, Adelaide, South Australia |