Cognomen Ocarroll (Ocarroll 
) , around the world, is quite a rare family name. The family name Ocarroll is characteristic of Ireland, where it is quite a rare surname, Zimbabwe, where it is a rare surname, and New Zealand. In absolute terms, it is the most numerous in the United States, Ireland, and the United Kingdom. Very seldom, Ocarroll is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ocarroll | Zimbabwe, United Kingdom, Ireland, Australia, United States |