| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 121 | Birkita | Celtic | Strong. | F | |
| 122 | Birte | Celtic | Splendid. | F | |
| 123 | Blaine | Celtic | Slender. | M | |
| 124 | Blainey | Celtic | Slender. | M | |
| 125 | Blair | Celtic | From the plain lands. | F | |
| 126 | Blair | Celtic | From tbe plain. | M | |
| 127 | Blane | Celtic | Slender. | M | |
| 128 | Blayne | Celtic | Slender. | M | |
| 129 | Blayney | Celtic | Slender. | M | |
| 130 | Boden | Celtic | Blond. | M | |
| 131 | Body | Celtic | Blond. | M | |
| 132 | Bowden | Celtic | Blond. | M | |
| 133 | Bowdyn | Celtic | Blond. | M | |
| 134 | Bowen | Celtic | Son of Owen. | M | |
| 135 | Bowyn | Celtic | Son of Owen. | M | |
| 136 | Boyd | Celtic | Blond. | M | |
| 137 | Boyden | Celtic | Blond. | M | |
| 138 | Boynton | Celtic | From tbe white river. | M | |
| 139 | Bran | Celtic | Raven. | M | |
| 140 | Brandan | Celtic | Sword. | M | |