| Regimental number | 3403 |
| Place of birth | Brighton, South Australia |
| Religion | Church of England |
| Marital status | Single |
| Age at embarkation | 18 |
| Height | 6' 0.25" |
| Weight | 158 lbs |
| Next of kin | Father, John Bristow Hughes, 4th Avenue, St Peters, South Australia |
| Previous military service | Served for 2 years in the Senior Cadets. |
| Enlistment date | |
| Place of enlistment | Adelaide, South Australia |
| Unit name | 48th Battalion, 9th Reinforcement |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT Seang Bee on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 48th Battalion |
| Fate | Returned to Australia |
| Discharge date | |
| Family/military connections | Brothers: 326 Corporal Wilfred John Mann HUGHES, Heavy Trench Mortar Battery, killed in action, 10 April 1918; Percival Mann HUGHES, discharged, 24 December 1918, prior to embarkation on cessation of hostilities. |
| Other details |
Commenced return to Australia on board HT 'Leicestershire', 3 May 1919; disembarked Adelaide, 18 June 1919; discharged (termination of period of enlistment), Adelaide, 26 July 1919. Medals: British War Medal, Victory Medal |
| Miscellaneous details | Name does not appear on Embarkation Roll. |
| Sources | NAA: B2455, HUGHES Leonard Mann |