| From | United Kingdom 🇬🇧 |
| Date of birth | 18th Jun 1886 |
| Date of death | 8th-9th June 1924 |
| Age | 37 years old |
| Gender | Male |
| Notable Partnerships | |
| Andrew Irvine | |
| Groups | |
| American Alpine Club | Honorary Member |
| Climbers' Club |
President 1923–1924 Member from May 1909 Member 1913–1915 |
| The Alpine Club | Member from Dec 1910 |
[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
| From | United Kingdom 🇬🇧 |
| Date of birth | 18th Jun 1886 |
| Date of death | 8th-9th June 1924 |
| Age | 37 years old |
| Gender | Male |
| Notable Partnerships | |
| Andrew Irvine | |
| Groups | |
| American Alpine Club | Honorary Member |
| Climbers' Club |
President 1923–1924 Member from May 1909 Member 1913–1915 |
| The Alpine Club | Member from Dec 1910 |
[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