| Regimental number | 6818 |
| Place of birth | Brighton, Tasmania |
| School | St Mathews Roman Catholic School, Brighton, Tasmania |
| Religion | Roman Catholic |
| Occupation | Farmer |
| Address | Brighton, Tasmania |
| Marital status | Single |
| Age at embarkation | 24 |
| Next of kin | Father, Mr N Collis, Brighton, Tasmania |
| Previous military service | Nil |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 12th Battalion, 22nd Reinforcement |
| AWM Embarkation Roll number | 23/29/4 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A38 Ulysses on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 12th Battalion |
| Other details from Roll of Honour Circular | Died of tuberculosis. |
| Fate | Died of disease |
| Age at death | 25 |
| Age at death from cemetery records | 25 |
| Place of burial | Sutton Veny (St. John) Churchyard (Plot 329, Row D, Grave No. 19), Wiltshire |
| Panel number, Roll of Honour, Australian War Memorial | 65 |
| Miscellaneous information from cemetery records | Parents: Mr N.E.R. and Mary Jane COLLIS, Brighton Junction, Tasmania |
| Family/military connections | Brother: 6819 Pte Albert Edward COLLIS, 12th Bn, died of wounds, 21 September 1918; cousins: Charles Collis, Alfred J. Collis, T.W. Collis. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |