| Regimental number | 1181 |
| Religion | Church of England |
| Occupation | Farmer |
| Address | Cavendish, Victoria |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Father, Charles William Plunkett, Cavendish, Victoria |
| Enlistment date | 20 July 1915 |
| Rank on enlistment | Private |
| Unit name | 13th Light Horse Regiment, 6th Reinforcement |
| AWM Embarkation Roll number | 10/18/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT SS Hawkes Bay on 26 October 1915 |
| Regimental number from Nominal Roll | 1181A |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 3rd Pioneer Battalion |
| Fate | Returned to Australia 30 April 1919 |
| Family/military connections | Brother: 1429 Pte William Gordon PLUNKETT, 32nd Bn, returned to Australia, 13 April 1919. |