| Regimental number | 2157 |
| Place of birth | Goondiwindi, Queensland |
| Religion | Church of England |
| Occupation | Farmer |
| Address | Toowoomba, Queensland |
| Marital status | Single |
| Age at embarkation | 18.10 |
| Height | 5' 10.25" |
| Weight | 136 lbs |
| Next of kin | Father, Alexander Collins, Yelarbon, Queensland |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | Toowoomba, Queensland |
| Rank on enlistment | Private |
| Unit name | 2nd Light Horse Regiment, 15th Reinforcement |
| AWM Embarkation Roll number | 10/7/4 |
| Embarkation details | Unit embarked from Brisbane, Queensland, on board HMAT A73 Commonwealth on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 2nd Light Horse Regiment |
| Fate | Returned to Australia |
| Discharge date | |
| Family/military connections | Brother: 2158 Pte Alexander William COLLINS, 2nd Light Horse Regiment, returned to Australia, 23 September 1916. |
| Other details |
War service: Egypt, Palestine Admitted to 1st Light Horse Field Ambulance, 9 June 1918 (boils, buttock); transferred to 14th Australian General Hospital, Port Said, 19 June 1918; discharged to Rest Camp, 3 September 1918. Commenced return to Australia from Kantara on board HT 'Port Sydney', 4 March 1919; discharged (termination of period of enlistment), Brisbane, 8 June 1919. Medals: British War Medal, Victory Medal |
| Sources | NAA: B2455, COLLINS Clarence Matthew |