Surname Marrello (Marrello 
) , in the world, is a rare last name. The surname Marrello is habitual in Bermuda, where it is quite a rare surname, Canada, where it is a rare surname, and Italy. In absolute terms, this name is the most popular in Italy, Canada, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Marrello | Italy, United States, Argentina, Canada, New Zealand |