| Regimental number | 3090 |
| Date of birth | |
| Place of birth | Mackay, Queensland |
| School | Winton State School; Winton Convent, Queensland |
| Religion | Roman Catholic |
| Occupation | Coach driver |
| Address | Winton, Queensland |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Father, William Markwell, Cork Street, Winton, Queensland |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 42nd Battalion, 7th Reinforcement |
| AWM Embarkation Roll number | 23/59/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A18 Wiltshire on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 43rd Battalion |
| Fate | Returned to Australia |
| Discharge date | |
| Family/military connections | Brother: 2724 Pte Francis McLaughlin MARKWELL, 12th Bn, returned to Australia, 6 July 1919. |
| Other details |
War service: enlisted Longreach, Queensland. Embarked at Sydney, 7 February 1917; disembarked Devonport, England, 11 April 1917. Marched into 11th Training Battalion Details, Fovant Camp, Wiltshire, England, 11 April 1917; marched out to Durrington Camp, 23 April 1917. Proceeded from Folkstone to France, 6 August 1917; taken on strength from 7th Reinforcement, 42nd Bn, 22 August 1917. Taken sick to hospital, 6 December 1917; rejoined unit, 8 December 1917. Transferred from 42nd Bn to 11th Infantry Brigade Headquarters, 20 June 1918; transferred to 43rd Bn, 14 April 1919. Returned to Australia on board 'Themistocles', 12 June 1919. Medals: British War Medal, Victory Medal. ~ |
| Date of death | |
| Age at death | 78 |
| Place of burial | Townsville Cemetery, Queensland |