| Regimental number | 998 |
| Place of birth | Port Macquarie New South Wales |
| Religion | Roman Catholic |
| Occupation | Postal assistant |
| Address | c/o Miss C Walsh, Mater Misericordia Hospital, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 34 |
| Next of kin | Father, Wilfred Ambrose Walsh, c/o Miss C Walsh, Mater Misericordia Hospital, Sydney, New South Wales |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 30th Battalion, D Company |
| AWM Embarkation Roll number | 23/47/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A72 Beltana on |
| Regimental number from Nominal Roll | 998A |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 45th Battalion |
| Fate | Killed in Action |
| Place of burial | Millencourt Communal Cemetery Extension (Row B, Grave 29), France |
| Panel number, Roll of Honour, Australian War Memorial | 140 |
| Family/military connections | Brothers: 2055 Pte Francis Joseph WALSH, 13th Bn, died of wounds, 21 August 1915; 997 Pte Philip Ambrose WALSH, 45th Bn, killed in action, 7 June 1917. |
| Other details |
War service: Egypt, Western Front Medals: 1914-15 Star, British War Medal, Victory Medal |