| Regimental number | 21238 |
| Place of birth | Franklin Tasmania |
| Religion | Church of England |
| Occupation | Farmer |
| Address | Chermside, Brisbane, Queensland |
| Marital status | Single |
| Age at embarkation | 26 |
| Next of kin | Mother, Mrs E Jacklyn, Chermside, Brisbane, Queensland |
| Enlistment date | |
| Rank on enlistment | Gunner |
| Unit name | 9th Field Artillery Brigade, 36th Battery |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A8 Argyllshire on |
| Rank from Nominal Roll | Driver |
| Unit from Nominal Roll | 3rd Divisional Ammunition Column |
| Fate | Returned to Australia |
| Family/military connections | Brothers: 7304 Gunner Jack Mainwaring JACKLYN, 5th Field Artillery Brigade, returned to Australia, 16 October 1916.; 39309 Driver Richard George JACKLYN, 4th Division Ammunition Column, returned to Australia, 12 July 1919. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
