Surname Gerison (Gerison 
) , around the world, is a rare cognomen. The last name Gerison is characteristic of Tanzania, where it is a rare surname, Nigeria, where it is a very rare surname, and Venezuela, where it is an extremely rare surname. In absolute terms, it is the most numerous in Tanzania, Nigeria, and India. Also, Gerison is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gerison | Philippines, Brazil, Dominican Republic, Tanzania, Nigeria |