| Brooks | of the brook |
|
||
| Brosnan | dweller near the Brosna River |
|
||
| Brownie |
|
|||
| Bruce | from the brushwood thicket |
|
||
| Brucey |
|
|||
| Brucie |
|
|||
| Bruin | bear or brown |
|
||
| Bruna | brown |
|
||
| Brune | brown |
|