| From | United Kingdom 🇬🇧 |
| Date of birth | 18th Jun 1886 |
| Date of death | 1924 |
| Age | between 37 and 38 years old |
| Gender | Male |
| Notable Partnerships | |
| Andrew Irvine | |
[1] What happened to Mallory and Irvine?, Mountain issue 21 page 32
[2] Collected papers held at Magdalene College Cambridge https://magdalene.maxarchiveservices.co.uk/index.php/mallory-george-herbert-leigh