| Regimental number | 648 |
| Place of birth | Outtrim Victoria |
| Other Names | Erle Cawdon |
| Religion | Church of England |
| Occupation | Soldier |
| Address | 'Fernshade', Koonwarra Road, Leongatha, Victoria |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Mother, Mrs M E Gwyther, 'Fernshade', Koonwarra Road, Leongatha, Victoria |
| Previous military service | Royal Australian Garrison Artillery |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Gunner |
| Unit name | Heavy Artillery Group 36, Reinforcement 5 |
| AWM Embarkation Roll number | 13/49/4 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A71 Nestor on |
| Rank from Nominal Roll | Sapper |
| Unit from Nominal Roll | 1st Divisional Signal Company |
| Fate | Returned to Australia |
| Family/military connections | Brother: [1316] Captain Leo Tennyson GWYTHER MC & Bar, 2nd Field Artillery Brigade, returned to Australia, 13 March 1918. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |