| Regimental number | 13/545 |
| Address | Kihikihi |
| Marital status | Single |
| Next of kin | Mrs J T Middlebrook, Te Kaianga, Mamie Street, Remuera, Auckland |
| Rank on embarkation | Trooper |
| Enlistment status | Volunteer |
| Unit name | New Zealand Expeditionary Force, Main Body, Auckland Mounted Rifles |
| Embarkation details | Unit embarked from Auckland on |
| The Auckland Mounted Rifles, Main Body, left New Zealand on board two ships, HMNZT 8 'Star of India' and HMNZT 12 'Waimana'. It is not possible from the Nominal Roll to determine on which ship an individual embarked. | |
| Final rank | Trooper |
| Final unit | Auckland Mounted Rifles Regiment |
| Fate | Killed in Action |
| Age at death from cemetery records | 28 |
| Place of burial | Walker's Ridge Cemetery (Plot I, Row A, Grave No 6), Gallipoli, Turkey |
| Miscellaneous information from cemetery records | Parents: the late Arthur Sullivan (Headmaster, Paeroa District School) and of Julia Annie Middlebrook, his wife, 40 St Andrew's Road, Epsom, Auckland |
| Other details |
War service: Egypt, Gallipoli Medals: 1914-15 Star, British War Medal, Victory Medal |
| Miscellaneous details | Nominal Roll Vol. 1: Auckland Mounted Rifles/Main Body |