| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 201 | Bryant | Celtic | Strong. | M | |
| 202 | Bryce | Celtic | Swift. Famous bearer: St Brice, sometimes called St. Britius, was a 5th century Bishop of Tours. | M | |
| 203 | Brygid | Celtic | Strong. | F | |
| 204 | Bryon | Celtic | Variant of Brian: Brave; Virtuous. | M | |
| 205 | Bssil | Celtic | Battle. | M | |
| 206 | Burgess | Celtic | Citizen. | M | |
| 207 | Cachamwri | Celtic | Mythical servant of Arthur. | M | |
| 208 | Cadell | Celtic | Warring. | M | |
| 209 | Cadman | Celtic | Fighter. | M | |
| 210 | Cahal | Celtic | Strong in battle. | M | |
| 211 | Cairbre | Celtic | Charioteer. | M | |
| 212 | Calder | Celtic | From the stony river. | M | |
| 213 | Calum | Celtic | Dove. | M | |
| 214 | Camero | Celtic | Crooked nose. | M | |
| 215 | Cameron | Celtic | Crooked nose. Nickname of a Highland chieftain with a crooked nose. | M | |
| 216 | Camey | Celtic | Crooked nose. | M | |
| 217 | Caoilfhinnn | Celtic | Slender and comely. | F | |
| 218 | Caoimhghin | Celtic | Gentle. | M | |
| 219 | Car | Celtic | Fighter. | M | |
| 220 | Cara | Celtic | Friend. | F | |