| Regimental number | 1096 |
| Place of birth | Maffra, Victoria |
| Religion | Presbyterian |
| Occupation | Soldier |
| Address | Barracks, Queenscliff, Victoria |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Father, John Barclay, Watt Street, Sunshine, Victoria |
| Previous military service | Royal Australian Garrison Artillery |
| Enlistment date | 26 June 1917 |
| Rank on enlistment | Gunner |
| Unit name | Heavy Artillery Group 36, Reinforcement 14 |
| AWM Embarkation Roll number | 13/49/5 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A64 Demosthenes on 9 November 1917 |
| Rank from Nominal Roll | Gunner |
| Unit from Nominal Roll | 36th Heavy Artillery Battery |
| Fate | Returned to Australia 19 February 1919 |
| Family/military connections | Brother: 1092 Gunner Thomas Reginald BARCLAY, 36th Heavy Artillery Brigade, returned to Australia, 12 December 1918. |