| Name | Gender | Pronounced | Usage |
|---|---|---|---|
| Uilleam | - | Scottish | |
| Nekane | ne-KAH-ne | Basque | |
| Claudius | KLAW-dee-əs (English) | Ancient Roman | |
| Lucas | LOO-kəs (English), LUY-kahs (Dutch), luy-KAH (French), LOO-kəsh (Portuguese), LOO-kahs (Spanish) | English, Dutch, French, Portuguese, Spanish, Biblical Latin | |
| Marciano | - | Portuguese, Spanish, Italian | |
| Ffion | FEE-awn, FI-awn | Welsh |