| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 581 | Bailee | English | Courtyard within castle walls; steward or public official. Surname or given name. | F | |
| 582 | Bailee | English | Variant of Bailey: Steward; bailiff. | M | |
| 583 | Bailey | English | Courtyard within castle walls; steward or public official. Surname or given name. | F | |
| 584 | Bailey | English | Steward or public official; man in charge. | M | |
| 585 | Bailie | English | Variant of Bailey: Steward; bailiff. | M | |
| 586 | Baillie | English | Variant of Bailey: Steward; bailiff. | M | |
| 587 | Baily | English | Variant of Bailey: Steward; bailiff. | M | |
| 588 | Bain | English | Variant of Bainbridge: Bridge. | M | |
| 589 | Bainbridge | English | Lives near the bridge over the white water. | M | |
| 590 | Bainbrydge | English | Lives near the bridge over the white water. | M | |
| 591 | Baird | English | Minstrel; a singer-poet. | M | |
| 592 | Baker | English | Baker. | M | |
| 593 | Balamy | English | Variant of Bellamy: Good-looking companion. | M | |
| 594 | Balder | English | Brave warrior; bold army. | M | |
| 595 | Baldhere | English | Bold army. | M | |
| 596 | Baldur | English | Variant of Balder: Brave warrior; bold army. | M | |
| 597 | Baldwin | English | From the Old English Bealdwine, or the Old German equivalent Baldavin, meaning bold friend. Frequently used in medieval Britain, and was the basis of a number of surnames. | M | |
| 598 | Banaing | English | Son of the slayer. | M | |
| 599 | Banbrigge | English | Lives near the bridge over the white water. | M | |
| 600 | Bancrofft | English | Variant of Bancroft: Pasture; field. | M | |