| Regimental number | 39309 |
| Place of birth | Hobart, Tasmania |
| Religion | Church of England |
| Occupation | Clerk |
| Address | Chermside, Queensland |
| Marital status | Single |
| Age at embarkation | 21 |
| Height | 5' 7" |
| Weight | 130 lbs |
| Next of kin | Father, J H Jacklyn, Chermside, Brisbane, Queensland |
| Previous military service | Served for 4 years in Senior Cadets; 2 years in 9th Infantry, Citizen Military Forces. |
| Enlistment date | |
| Place of enlistment | Brisbane, Queensland |
| Rank on enlistment | Gunner |
| Unit name | Field Artillery Brigade, Reinforcement 34 |
| AWM Embarkation Roll number | 13/128/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board SS Port Darwin on |
| Rank from Nominal Roll | Driver |
| Unit from Nominal Roll | 4th Division Ammunition Column |
| Fate | Returned to Australia |
| Discharge date | |
| Family/military connections | Brothers: 21238 Driver Clifford John JACKLYN, 3rd Divisional Ammunition Column, returned to Australia, 4 June 1919; 7304 Gunner Jack Mainwaring JACKLYN, 5th Field Artillery Brigade, returned to Australia, 16 October 1916. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Sources | NAA: B2455, JACKLYN Richard George |