| From | United Kingdom 🇬🇧 |
| Date of birth | 25th May 1849 |
| Date of death | 23rd Aug 1929 |
| Age | 80 years old |
| Gender | Male |
| Notable Partnerships | |
| Walter Parry Haskett Smith | |
| Charles Hopkinson | |
| Family | |
| Eleanor Winthrop Young (child) | |
| Henry Laurence Slingsby (child) | |
| Groups | |
| Climbers' Club |
President 1904–1907 Member from 1897 Member 1898–1901 Member 1908–1910 |
| Fell & Rock Climbing Club |
President 1910–1912 Vice-President 1912–1914 Honorary Member from 1907 |
| Norsk Tindeklub | Honorary Member |
| Yorkshire Ramblers' Club |
President 1893–1903 Vice-President 1903–1908 |
A founding member of the Climbers' Club and a member of it's first committee.
[1] http://www.theslingsbys.co.uk/willcecilarticle.htm
[2] https://footlesscrow.blogspot.com/2021/01/remembering-slingsby.html by Tony Howard (2021)
| From | United Kingdom 🇬🇧 |
| Date of birth | 25th May 1849 |
| Date of death | 23rd Aug 1929 |
| Age | 80 years old |
| Gender | Male |
| Notable Partnerships | |
| Walter Parry Haskett Smith | |
| Charles Hopkinson | |
| Family | |
| Eleanor Winthrop Young (child) | |
| Henry Laurence Slingsby (child) | |
| Groups | |
| Climbers' Club |
President 1904–1907 Member from 1897 Member 1898–1901 Member 1908–1910 |
| Fell & Rock Climbing Club |
President 1910–1912 Vice-President 1912–1914 Honorary Member from 1907 |
| Norsk Tindeklub | Honorary Member |
| Yorkshire Ramblers' Club |
President 1893–1903 Vice-President 1903–1908 |
A founding member of the Climbers' Club and a member of it's first committee.
[1] http://www.theslingsbys.co.uk/willcecilarticle.htm
[2] https://footlesscrow.blogspot.com/2021/01/remembering-slingsby.html by Tony Howard (2021)