| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Boadicea | - | Ancient Celtic (Latinized) | ||
| Brennus | BREN-əs (English) | Ancient Celtic (Latinized) | ||
| Bricius | - | Ancient Celtic (Latinized) | ||
| Caratacus | - | Ancient Celtic (Latinized) | ||
| Iodocus | - | Ancient Celtic (Latinized) | ||
| Iudocus | - | Ancient Celtic (Latinized) | ||
| Jodocus | yo-DO-kəs (Dutch) | Dutch (Archaic), Ancient Celtic (Latinized) | ||
| Judocus | - | Dutch (Archaic), Ancient Celtic (Latinized) |