| Regimental number | 1636 |
| Religion | Church of England |
| Occupation | Waiter |
| Address | Brisbane, Queensland |
| Marital status | Married |
| Age at embarkation | 35 |
| Height | 5' 7.5" |
| Weight | 138 lbs |
| Next of kin | Wife, Mrs Myrtle De Florac, 31 Constance Street, Fortitude Valley, Brisbane, Queensland |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 49th Battalion, 2nd Reinforcement |
| AWM Embarkation Roll number | 23/66/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board SS Hawkes Bay on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 49th Battalion |
| Fate | Returned to Australia |
| Miscellaneous details (Nominal Roll) | *Spelt Sinclair De Florae on NR |
| Discharge date | |
| Other details |
War service: Egypt, Western Front Commenced return to Australia on board HT 'Suevic', 21 April 1918; discharged (medically unfit: chronic rheumatism), Sydney, 12 August 1918. Medals: British War Medal, Victory Medal Admitted to Callan Park Metal Hospital, 10 February 1919; transferred to Kenmore Mental Hospital, 16 December 1920. |
| Miscellaneous details | See 520 Sinclair DE FLORAC for first period of service. |
| Sources | NAA: B2455, DE FLORAC Sinclair |