Is this name allowed in Portugal?

Portugal publishes a list of given names accepted for civil registration. Check any name against it.

Uzziah — Not on the approved list

Portugal maintains a published list of given names accepted for civil registration. Names on the list are accepted as spelled; names not on it are assessed case by case.

Registration may still be possible where a parent is a foreign citizen, or where the spelling is already used in the family.

General information drawn from the published IRN list, not legal advice. The registrar decides each case.