| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Arthfael | - | Ancient Celtic | ||
| Boadicea | - | Ancient Celtic (Latinized) | ||
| Boudicca | BOO-di-kə (English) | Ancient Celtic | ||
| Brennus | BREN-əs (English) | Ancient Celtic (Latinized) | ||
| Bricius | - | Ancient Celtic (Latinized) | ||
| Cadeyrn | - | Ancient Celtic | ||
| Caratacos | - | Ancient Celtic | ||
| Caratacus | - | Ancient Celtic (Latinized) | ||
| Cunobelinus | kyoo-no-bə-LIEN-əs (English) | Ancient Celtic | ||
| Cynbel | - | Ancient Celtic | ||
| Cynwrig | - | Ancient Celtic | ||
| Drest | - | Ancient Celtic | ||
| Drust | - | Ancient Celtic | ||
| Drustan | - | Ancient Celtic | ||
| Elisedd | - | Ancient Celtic |