Family name Wilison (Wilison 
) , globally, is quite a rare cognomen. The last name Wilison is habitual in Tanzania, where it is quite a rare surname, Nigeria, where it is a very rare surname, and Canada. Measured by absolute frequency, it is the most numerous in Tanzania, Nigeria, and the United States. Also, Wilison is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wilison | Democratic Republic of the Congo, Kenya, Brazil, Tanzania, Nigeria |