Ordered by the number of ascents recorded.
| Climber Name | # Ascents Recorded | Notes |
|---|---|---|
| Howard Somervell | 0 | |
| Hugh Merrick | 0 | |
| Hugo Dorval | 0 | |
| Huw Williams | 0 | |
| Iain Brown | 0 | |
| Iain Miller | 0 |
References[1] https://www.ukclimbing.com/news/2014/10/iain_miller_sea_stack_ascensionist_extraordinaire-69207 |
| Ian Cartwright | 0 | |
| Ian Cheshire | 0 | |
| Ian Elliott | 0 |
References |
| Ian Hill | 0 | |
| Ian Horrocks | 0 | |
| Ian Howell | 0 | |
| Ian Lonsdale | 0 | |
| Ian McNaught Davis | 0 | |
| Ian Montadon | 0 | |
| Ian Smith | 0 | |
| Ian Vincent | 0 |
Strong Bradford-based sport climber active in the 80s and 90s. References[1] https://ukbouldering.com/threads/ian-vincent-rip.23577/page-2 |
| Ian Yurdin | 0 | |
| Iker Arroitajauregi | 0 | |
| Ilja Auersperg | 0 |