| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 141 | Brangaine | Celtic | Character from Isolde legend. | F | |
| 142 | Brann | Celtic | Raven. | M | |
| 143 | Branwen | Celtic | Sister of Bendigeidfran. | F | |
| 144 | Brarn | Celtic | Raven. | M | |
| 145 | Brasil | Celtic | Battle. | M | |
| 146 | Breanainn | Celtic | Sword. | M | |
| 147 | Breandan | Celtic | Sword. | M | |
| 148 | Bredon | Celtic | Sword. | M | |
| 149 | Breeda | Celtic | Strong. | F | |
| 150 | Brendan | Celtic | Raven. | M | |
| 151 | Brendt | Celtic | Hilltop. Variant of Brent. | M | |
| 152 | Brenna | Celtic | Raven. | F | |
| 153 | Brennan | Celtic | Raven. | M | |
| 154 | Brent | Celtic | Hilltop. | M | |
| 155 | Brenten | Celtic | Hilltop. Variant of Brent. | M | |
| 156 | Brentley | Celtic | Hilltop. Variant of Brent. | M | |
| 157 | Brently | Celtic | Hilltop. Variant of Brent. | M | |
| 158 | Brenton | Celtic | Hilltop. Variant of Brent. | M | |
| 159 | Bressal | Celtic | Battle. | M | |
| 160 | Bret | Celtic | From Britain. | F | |