| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 81 | Bowyn | Celtic | Son of Owen. | M | |
| 82 | Boyd | Celtic | Blond. | M | |
| 83 | Boyden | Celtic | Blond. | M | |
| 84 | Boynton | Celtic | From tbe white river. | M | |
| 85 | Bran | Celtic | Raven. | M | |
| 86 | Brandan | Celtic | Sword. | M | |
| 87 | Brann | Celtic | Raven. | M | |
| 88 | Brarn | Celtic | Raven. | M | |
| 89 | Brasil | Celtic | Battle. | M | |
| 90 | Breanainn | Celtic | Sword. | M | |
| 91 | Breandan | Celtic | Sword. | M | |
| 92 | Bredon | Celtic | Sword. | M | |
| 93 | Brendan | Celtic | Raven. | M | |
| 94 | Brendt | Celtic | Hilltop. Variant of Brent. | M | |
| 95 | Brennan | Celtic | Raven. | M | |
| 96 | Brent | Celtic | Hilltop. | M | |
| 97 | Brenten | Celtic | Hilltop. Variant of Brent. | M | |
| 98 | Brentley | Celtic | Hilltop. Variant of Brent. | M | |
| 99 | Brently | Celtic | Hilltop. Variant of Brent. | M | |
| 100 | Brenton | Celtic | Hilltop. Variant of Brent. | M | |