| Date of birth | |
| Place of birth | Cooma New South Wales |
| Religion | Church of England |
| Occupation | Licensed surveyor and civil engineer |
| Address | 26 Military Road, Mosman, New South Wales |
| Marital status | Single |
| Age at embarkation | 28 |
| Next of kin | Father, Gerald Pennefather, 26 Military Road, Mosman, New South Wales |
| Enlistment date | |
| Rank on enlistment | Lieutenant |
| Unit name | Tunnelling Company 4, Headquarters 1 |
| AWM Embarkation Roll number | 16/10/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A69 Warilda on |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 4th Tunnelling Company |
| Promotions |
2nd Lieutenant Unit: Mining Corps, 4th Tunnelling Company Promotion date: |
| Fate | Returned to Australia |
| Other details |
War service: Western Front Medals: Military Cross, British War Medal, Victory Medal |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
