Cognomen Yumkella (Yumkella 
) , in all the world, is a rare surname. The cognomen Yumkella is characteristic of Sierra Leone, where it is quite a rare surname, Canada, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Yumkella | United Kingdom, Sierra Leone, United States, Canada |
| foday yumkella politician in Sierra Leone |
|