| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 321 | Backstere | English | Baker. | M | |
| 322 | Baden | English | Surname. | M | |
| 323 | Baerhloew | English | Ruler or lives on the bare hill. | M | |
| 324 | Baiardo | English | Variant of Bayard: Brown hair. | M | |
| 325 | Bailee | English | Variant of Bailey: Steward; bailiff. | M | |
| 326 | Bailey | English | Steward or public official; man in charge. | M | |
| 327 | Bailie | English | Variant of Bailey: Steward; bailiff. | M | |
| 328 | Baillie | English | Variant of Bailey: Steward; bailiff. | M | |
| 329 | Baily | English | Variant of Bailey: Steward; bailiff. | M | |
| 330 | Bain | English | Variant of Bainbridge: Bridge. | M | |
| 331 | Bainbridge | English | Lives near the bridge over the white water. | M | |
| 332 | Bainbrydge | English | Lives near the bridge over the white water. | M | |
| 333 | Baird | English | Minstrel; a singer-poet. | M | |
| 334 | Baker | English | Baker. | M | |
| 335 | Balamy | English | Variant of Bellamy: Good-looking companion. | M | |
| 336 | Balder | English | Brave warrior; bold army. | M | |
| 337 | Baldhere | English | Bold army. | M | |
| 338 | Baldur | English | Variant of Balder: Brave warrior; bold army. | M | |
| 339 | 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 | |
| 340 | Banaing | English | Son of the slayer. | M | |