| Regimental number | 39686 |
| Place of birth | Rushworth Victoria |
| Religion | Church of England |
| Occupation | Clerk |
| Address | Rushworth, Victoria |
| Marital status | Single |
| Age at embarkation | 26 |
| Next of kin | Mother, Mrs M O'Sullivan, Murchison Road, Rushworth, Victoria |
| Enlistment date | 4 December 1916 |
| Rank on enlistment | Gunner |
| Unit name | Field Artillery Brigade, Reinforcement 35 |
| AWM Embarkation Roll number | 13/128/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board SS Port Darwin on 30 April 1918 |
| Rank from Nominal Roll | Corporal |
| Unit from Nominal Roll | 2nd Field Artillery Brigade |
| Fate | Effective abroad (still overseas) |
| Miscellaneous details (Nominal Roll) | *Spelt Stuart Payner O'Sullivan on NR |
| Family/military connections | Brother: 4560 Sergeant Vivian Francis O'SULLIVAN, 7th Bn, returned to Australia, 18 July 1919. |
| Date of death | 16 November 1952 |
| Place of burial | Fawkner Cemetery |
