| Religion | Church of England |
| Occupation | Manufacturer |
| Address | Homebush Road, Strathfield, New South Wales |
| Marital status | Married |
| Age at embarkation | 46 |
| Next of kin | Wife, Mrs Arnott, Homebush Road, Strathfield, New South Wales |
| Enlistment date | |
| Rank on enlistment | Lieutenant-Colonel |
| Unit name | 7th Light Horse Regiment, Headquarters |
| AWM Embarkation Roll number | 10/12/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A33 Ayrshire on |
| Rank from Nominal Roll | Colonel |
| Unit from Nominal Roll | 9th Light Horse Regiment |
| Recommendations (Medals and Awards) |
Mention in Despatches Awarded, and promulgated, 'London Gazette', Supplement No. 30169 (6 July 1917); 'Commonwealth Gazette' No. 174 (11 October 1917). Mention in Despatches Awarded, and promulgated, 'London Gazette' No. 3138 (5 June 1919); 'Commonwealth Gazette' No. 113 (6 October 1919). Mention in Despatches Awarded, and promulgated, 'London Gazette', Supplement, No. 30746 (14 June 1918); 'Commonwealth Gazette' No. 173 (7 November 1918). |
| Fate | Returned to Australia |
| Medals |
CMG Source: 'Commonwealth Gazette' No. 173 Date: |
| Family/military connections | Son: [676] Captain Bruce Hardy ARNOTT CdeG, 52nd Bn, killed in action, 18 August 1917. |
| Other details | Medals: Companion of the Order of St Michael and St George, 1914-15 Star, British War Medal, Victory Medal |