| Regimental number | 1834 |
| Place of birth | Hobart, Tasmania |
| Religion | Roman Catholic |
| Occupation | Salesman |
| Address | Hobart, Tasmania |
| Marital status | Single |
| Age at embarkation | 22.10 |
| Height | 5' 6" |
| Weight | 145 lbs |
| Next of kin | Father, John Collidge, 12 Pagot Street, South Hobart, Tasmania |
| Previous military service | Served for 4.5 years in the Cadets. |
| Enlistment date | |
| Place of enlistment | Claremont, Tasmania |
| Rank on enlistment | Private |
| Unit name | 40th Battalion, 2nd Reinforcement |
| AWM Embarkation Roll number | 23/57/2 |
| Embarkation details | Unit embarked from Hobart, Tasmania, on board HMAT A70 Ballarat on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 40th Battalion |
| Fate | Returned to Australia |
| Discharge date | |
| Other details |
War service: England Commenced return to Australia from Plymouth on board HT 'Ulysses', 13 February 1917; discharged (medically unfit: rheumatism), Hobart, 29 May 1917. Medal: British War Medal |
| Sources | NAA: B2455, COLLIDGE Percy Thomas |