| Regimental number | 2201 |
| Place of birth | Limerick, Ireland |
| Religion | Church of England |
| Occupation | Farrier |
| Address | 222 Albert Road, Albert Park, Melbourne, Victoria |
| Marital status | Married |
| Age at embarkation | 37 |
| Next of kin | Wife, Mrs. Olive Connellen, 222 Albert Road, Albert Park, Melbourne, Victoria |
| Enlistment date | 27 July 1915 |
| Date of enlistment from Nominal Roll | 8 September 1914 |
| Place of enlistment | Melbourne, Victoria |
| Rank on enlistment | KINGS SGT |
| Unit name | 9th Light Horse Regiment, 8th Reinforcement |
| AWM Embarkation Roll number | 10/14/2 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT Morea on 26 August 1915 |
| Rank from Nominal Roll | Sergeant |
| Unit from Nominal Roll | 9th Light Horse Regiment |
| Fate | Returned to Australia 21 May 1916 |
| Sources | NAA: B2455, CONNELLEN William Harry |