| Regimental number | 55841 |
| Date of birth | |
| Place of birth | Port Pirie, South Australia |
| Religion | Church of England |
| Occupation | Farm hand |
| Address | Unley Park, South Australia |
| Marital status | Single |
| Age at embarkation | 19 |
| Height | 5' 6" |
| Weight | 133 lbs |
| Next of kin | Father, A E Knapman, High Street, Unley Park, South Australia |
| Previous military service | Served in the Senior Cadets for 4 years. |
| Enlistment date | |
| Place of enlistment | Adelaide, South Australia |
| Rank on enlistment | Private |
| Unit name | General Reinforcements (2nd South Australian) |
| AWM Embarkation Roll number | 23/111/4 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board RMS Orontes on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 43rd Battalion |
| Fate | Returned to Australia |
| Discharge date | |
| Other details |
War service: England Commenced return to Australia on board HT 'Euripides', 6 September 1919; discharged (termination of period of enlistment), Adelaide, 12 November 1919. Medal: British War Medal Also served in World War II: Service No S32256. |
| Date of death | |
| Age at death | 67 |
| Place of burial | West Terrace Cemetery, Adelaide, South Australia |
| Sources | NAA: B2455, KNAPMAN Alfred Ernest Albert |