| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 81 | Batair | Gaelic | Strong warrior. | M | |
| 82 | Beagan | Gaelic | Little one. | M | |
| 83 | Beagen | Gaelic | Little one. | M | |
| 84 | Beagin | Gaelic | Variant of Beagan: Small child. | M | |
| 85 | Bealantin | Gaelic | Gaelic form of Ballantine. | M | |
| 86 | Bearach | Gaelic | Spear. | M | |
| 87 | Bearnard | Gaelic | Gaelic form of Bernard. | M | |
| 88 | Beatie | Gaelic | Blesses. | M | |
| 89 | Beatrice | Gaelic | Feminine form of Beattie: Bringer of joy; blesses. | F | |
| 90 | Beattie | Gaelic | Bringer of joy; blesses. | M | |
| 91 | Beatty | Gaelic | Blesses. | M | |
| 92 | Bebhinn | Gaelic | Harmony. | F | |
| 93 | Bebhinn | Gaelic | Harmony. | M | |
| 94 | Beitris | Gaelic | Gaelic form of Beatrice. | F | |
| 95 | Bharain | Gaelic | Lives near the clear stream. | M | |
| 96 | Bheathain | Gaelic | Lives near the clear stream. | M | |
| 97 | Bhruic | Gaelic | Badger. | M | |
| 98 | Biadhaiche | Gaelic | Blesses. | M | |
| 99 | Blain | Gaelic | Variant of Blaine: Thin. | M | |
| 100 | Blaine | Gaelic | Feminine form of Blaine: Thin. | F | |