Surname Custorio (Custorio 
) , around the globe, is quite a rare last name. The cognomen Custorio is characteristic of Philippines, where it is quite a rare surname, Spain, where it is a very rare surname, and Canada, where it is an extremely rare surname. Not in comparison with a country's population, this name is the most popular in Philippines, Spain, and Mexico. Very seldom, Custorio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Custorio | Peru, Canada, Philippines, Spain, Mexico |
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