| Regimental number | 648 |
| Place of birth | Echuca, Victoria |
| School | Echuca Grammar School, Victoria |
| Religion | Presbyterian |
| Occupation | Bank clerk |
| Address | London Bank, Nambour, Queensland |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Mother, Mrs Janet Cameron Smith, Dickson Street, Echuca, Victoria |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 15th Battalion, D Company |
| AWM Embarkation Roll number | 23/32/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board Transport A40 Ceramic on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 15th Battalion |
| Fate | Died of wounds |
| Place of death or wounding | Mouquet Farm, Pozieres, France |
| Age at death | 25 |
| Age at death from cemetery records | 25 |
| Place of burial | Puchevillers British Cemetery (Plot I, Row F, Grave No. 58), France |
| Panel number, Roll of Honour, Australian War Memorial | 77 |
| Miscellaneous information from cemetery records | Commemorated in Moama Cemetery, New South Wales. Parents: John Cairns (d. 6 March 1932, aged 68; bu. Moama) and Janet Cameron (d. 7 June 1936, aged 81; bu. Moama) SMITH, Dickson Street, Echuca, Victoria |
| Family/military connections | Cousins: Lt James Gordon McKINLEY killed June 1915 [cannot be identified]; Lt Gilbert McKINLET MM MC, 11th Bn, returned to Australia, 20 June 1919; 3205 Corporal Alexander Warwick McKINLEY, 60th Bn, killed in action, 27 September 1917. |
| Other details |
War service: Egypt, Gallipoli, Western Front Medals: 1914-15 Star, British War Medal, Victory Medal |