| Name | Meaning | Gender | Origin |
|---|
| Boston | Botolph's town | Unisex | English |
| Boswell | Beuze's settlement | Male | English |
| Boyd | Yellow-gold | Male | Gaelic |
| Bradford | Broad ford | Male | English |
| Bradley | Broad wood | Male | English |
| Bramwell | Broom/gorse spring | Male | English |
| Branch | Branch | Male | English |
| Brandon | Broom hill | Male | English |
| Braxton | Bracc's settlement | Male | English |
| Brazil | Brave, Strong In Conflict | Male | Celtic |
| Brenton | Settlement associated with Bryni | Male | English |
| Bridger | Builder of bridges | Male | English |
| Brie | The exalted one | Female | Gaelic |
| Brigham | Dwelling by the bridge | Male | English |
| Brighton | Bright settlement | Male | English |
| Brinley | Tawny | Male | English |
| Bristol | Bridge | Male | English |
| Brittania | Of Bretagne, France | Female | English |
| Brody | Muddy place | Male | Gaelic |
| Bromley | Broom hill | Male | English |
| Brooklyn | Uncertain, perhaps broken land | Unisex | Dutch |
| Brooklynn | Uncertain, perhaps broken land | Female | Dutch |
| Bruce | Surname Since Medieval Times: Now A Common Given Name. Folklore Tale Of 14Th Century Robert King Of Scotland: (The Bruce) Who Learned The Value Of Perseverance From Watching A Spider Spin A Web. | Male | English |
| Bryn | Hill | Female | Welsh |
| Buckley | Ram's clearing | Male | English |
| Burton | Fort town | Male | English |
| Byron | At the cattle sheds | Male | English |
| Caine | Reed, cane | Unisex | English |
| Cairo | Victorious one | Unisex | Arabic |
| Caldwell | Cold stream | Male | English |