| Regimental number | 13/2278 |
| Date of birth | 12 May 1895 |
| Place of birth | Christchurch |
| Religion | Church of England |
| Occupation | Student |
| Address | Bishopscourt, Auckland |
| Marital status | Single |
| Next of kin | Father, Bishop Averill, Bishopscourt, Auckland |
| Enlistment date | 13 July 1915 |
| Rank on embarkation | 2nd Lieutenant |
| Enlistment status | Volunteer |
| Unit name | New Zealand Expeditionary Force, 7th Reinforcements, Auckland Mounted Rifles |
| Embarkation details | Unit embarked from Wellington on 10 October 1915 |
| The Mounted Rifles component of the 7th Reinforcements left New Zealand on 10 October 1915 on board two ships, 'Aparima' and 'Navua'. It is not possible from the Nominal Roll to determine on which ship an individual embarked. |
| Final rank | Captain |
| Final unit | Auckland Mounted Rifles Regiment |
| Fate | Commenced return to New Zealand |
| Discharge date | 30 October 1919 |
| Family/military connections | Brother: 46219 2nd Lieutenant Leslie Cecil Lloyd AVERILL, 4th Battalion, New Zealand Rifle Brigade |
| Other details | War service: Egypt, Palestine
|
| Miscellaneous details | Nominal Roll Vol. 1: Auckland Mounted Rifles/Seventh |
| Date of death | 19 November 1955 |
| Place of burial | Christchurch |