Surname Sickelmore (Sickelmore 
) , in all the world, is a very rare family name. The last name Sickelmore is characteristic of the United Kingdom, where it is a very rare surname, Australia, and South Africa, where it is an extremely rare surname. Not in comparison with a country's population, this name is the most popular in the United Kingdom, Australia, and Thailand.
| VARIANT | COUNTRY |
|---|---|
| Sickelmore | United Kingdom, South Africa, Australia, Thailand, Brazil |