| Regimental number | 10/4109 |
| Occupation | Farmer |
| Next of kin | Father, John Grooby, Huatoki, New Plymouth |
| Rank on embarkation | Private |
| Unit name | New Zealand Expeditionary Force, 11th Reinforcements, Wellington Infantry Battalion, B Company |
| Embarkation details | Unit embarked from Wellington on 1 April 1916 |
| The Infantry component of the 11th Reinforcements left New Zealand on board two ships ('Maunganui' and 'Tahiti'). It is not possible from the Nominal Roll to determine on which ship an individual embarked. The Nominal Roll gives the date of departure as 1 April 1916; harbour records indicate that the actual date of embarkation was 2 April 1916. |
| Family/military connections | Brother: 10/4108 Pte Henry Allan GROOBY, 1st Bn, Wellington Infantry Regiment, killed in action, 16 September 1916. |
| Sources | Nominal Roll Vol. 2: Roll 28, p. 8 |
