| Regimental number | 18494 |
| Place of birth | Double Bay, Sydney, New South Wales |
| School | West Maitland Public School, New South Wales |
| Religion | Church of England |
| Occupation | Messenger |
| Address | 'Woodstock', Matthew Street, Hurstville, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Father, J Leath, 'Woodstock', Matthew Street, Hurstville, Sydney, New South Wales |
| Previous military service | 4th Battery Australian Field Artillery; Served in the Cadets. |
| Enlistment date | |
| Rank on enlistment | Gunner |
| Unit name | Field Artillery Brigade 7, Battery 25 |
| AWM Embarkation Roll number | 13/35/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A8 Argyllshire on |
| Rank from Nominal Roll | Driver |
| Unit from Nominal Roll | 7th Field Artillery Brigade |
| Fate | Died of wounds |
| Place of death or wounding | France |
| Age at death | 21 |
| Place of burial | Trois-Arbres Cemetery (Plot II, Row B, Grave No. 36), Steenwerck, France |
| Panel number, Roll of Honour, Australian War Memorial | 15 |
| Miscellaneous information from cemetery records | Parents: John and Louisa LEATH, "Woodstock", Hillcrest Avenue, Hurstville, New South Wales. Native of Double Bay |
| Family/military connections | Only brother Cpl C S Leath 35th Battalion awarded Military Medal for conspicuous gallantry in the Field. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |