| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| BÉBinn | BAY-vin (Irish), BE-veen (Irish) | Irish, Irish Mythology | ||
| Bile | - | Irish Mythology | ||
| BlÁThnat | BLAW-nit | Irish, Irish Mythology | ||
| Bran (1) | BRAN | Irish, Irish Mythology | ||
| Bridget | BRIJ-ət (English) | Irish, English, Irish Mythology | ||
| Brighid | BRIED | Irish, Irish Mythology | ||
| Brigid | - | Irish, Irish Mythology | ||
| Brigit | - | Irish Mythology |