| Date of birth | |
| Place of birth | Mount Lofty, near Adelaide, South Australia |
| Place of birth | Risby Gate, Mt Lofty, South Australia |
| School | Prince Alfred College, South Australia |
| Religion | Congregational |
| Occupation | Indent agent |
| Address | Myall Avenue, Kensington Gardens, South Australia |
| Marital status | Married |
| Age at embarkation | 31 |
| Next of kin | Wife, Mrs D E Collison, Myall Avenue, Kensington Gardens, South Australia |
| Previous military service | Served 3 years in Garrison Artillery, Glanville, South Australia. |
| Enlistment date | |
| Rank on enlistment | 2nd Lieutenant |
| Unit name | 10th Battalion, 14th Reinforcement |
| AWM Embarkation Roll number | 23/27/4 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A28 Miltiades on |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 10th Battalion |
| Fate | Killed in Action |
| Place of death or wounding | Le Barque, near Bapaume, France |
| Date of death | |
| Age at death | 32 |
| Age at death from cemetery records | 32 |
| Place of burial | A.I.F. Burial Ground (Plot XI, Row E, Grave No. 8), Grass Lane, Flers, France |
| Panel number, Roll of Honour, Australian War Memorial | 58 |
| Miscellaneous information from cemetery records | Parents: Charles Nicholas and Emily COLLISON. Native of Mount Lofty, South Australia |
| Family/military connections | Brothers: 6984 Pte John Cleve COLLISON, 10th Bn, returned to Australia; Gunner Roy N. COLLISON. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
