| Regimental number | 612 |
| Place of birth | Monaghan, Co Monaghan, Ireland |
| School | Numurkah State School, Victoria |
| Age on arrival in Australia | 4 |
| Religion | Presbyterian |
| Occupation | Farmer |
| Address | Chillingollah, Victoria |
| Marital status | Single |
| Age at embarkation | 28 |
| Height | 5' 5.725" |
| Weight | 131 lbs |
| Next of kin | Brother, Hugh A. McCague, Chillingollah, Victoria |
| Previous military service | Nil |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Place of enlistment | Swan Hill, Victoria |
| Rank on enlistment | Private |
| Unit name | 4th Light Horse Regiment, 1st Reinforcement |
| AWM Embarkation Roll number | 10/9/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A43 Barunga on |
| Rank from Nominal Roll | Corporal |
| Unit from Nominal Roll | 5th Battalion |
| Fate | Died of wounds |
| Age at death from cemetery records | 31 |
| Place of burial | Lijssenthoek Military Cemetery (Plot XXI, Row HH, Grave No. 15), Belgium |
| Panel number, Roll of Honour, Australian War Memorial | 44 |
| Miscellaneous information from cemetery records | Parents: John and Mary McCAGUE |
| Family/military connections | Brother: 7624 Pte John Thomas McCAGUE, 8th Bn, killed in action, 9 August 1918. |
| Other details |
War service: Egypt, Gallipoli, Western Front Embarked Alexandria to join the Mediterranean Expeditionary Force, Gallipoli, 20 May 1915. Sick to hospital, 6 September 1916; admitted to No 3 Auxiliary Hospital, Heliopolis, 11 September 1915 (dysentery); transferred to Australian & New Zealand Convalescent Depot, Helouan, 25 October 1915; discharged to duty (fit for service), 9 November 1915. Transferred to Cyclists' Corps, 20 March 1916. Embarked Alexandria to join the British Expeditionary Force, 25 March 1916; disembarked Marseilles, France, 30 March 1916; taken on strength, Cyclists' Corps, 12 May 1916. Taken on strength, 1st Anzac Cyclists' Bn, 9 July 1916. Appointed Lance Corporal, 12 June 1916; promoted Corporal, 12 August 1916. Transferred to 5th Bn, 30 June 1917. Reverted to Private at own request, 30 June 1917. Promoted Temporary Corporal, 22 September 1917. Wounded in action, Belgium, 3 November 1917 (shrapnel wound, right arm and abdomen), and transferred to 10th Casualty Clearing Station. Died of wounds, 3 November 1917. Medals: 1914-15 Star, British War Medal, Victory Medal |
| Sources | NAA: B2455, McCAGUE James Joseph |