| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 241 | Binger | Latin | Conqueror. | M | |
| 242 | Bittor | Latin | Conqueror. | M | |
| 243 | Blais | Latin | Lisp; stutter. Blaise Pascal was a brilliant seventeenth century child prodigy; mathematician; scientist and philosopher who invented the calculating machine and hydraulic press before dying at age thirty-nine. | M | |
| 244 | Blaisdell | Latin | Lisp; stutter. Blaise Pascal was a brilliant seventeenth century child prodigy; mathematician; scientist and philosopher who invented the calculating machine and hydraulic press before dying at age thirty-nine. | M | |
| 245 | Blaise | Latin | Lisp; stutter. Blaise Pascal was a brilliant seventeenth century child prodigy; mathematician; scientist and philosopher who invented the calculating machine and hydraulic press before dying at age thirty-nine. | M | |
| 246 | Blaize | Latin | Variant of Blaise: One who stutters. | M | |
| 247 | Bland | Latin | Gentle. | M | |
| 248 | Blandon | Latin | Gentle. | M | |
| 249 | Blase | Latin | Variant of Blaise: One who stutters. | M | |
| 250 | Blayse | Latin | Variant of Blaise: One who stutters. | M | |
| 251 | Blayze | Latin | Variant of Blaise: One who stutters. | M | |
| 252 | Blaze | Latin | Variant of Blaise: One who stutters. | M | |
| 253 | Bonaventure | Latin | Lucky. | M | |
| 254 | Boniface | Latin | Fortunate; good. | M | |
| 255 | Bonifacio | Latin | Variant of Boniface: Fortunate; good. | M | |
| 256 | Bonifacius | Latin | Variant of Boniface: Fortunate; good. | M | |
| 257 | Bonifaey | Latin | Good. | M | |
| 258 | Boreas | Latin | North wind. | M | |
| 259 | Braz | Latin | Stutters. | M | |
| 260 | Brends | Latin | Victorious. | M | |