| 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) | |
[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) | |
[1] http://www.theslingsbys.co.uk/willcecilarticle.htm
[2] https://footlesscrow.blogspot.com/2021/01/remembering-slingsby.html by Tony Howard (2021)