| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 161 | Bret | Celtic | A Breton. | M | |
| 162 | Brett | Celtic | A Breton. | M | |
| 163 | Bretta | Celtic | From Britain. | F | |
| 164 | Brian | Celtic | In use in England since the Middle Ages. Possibly connected with the Irish word for Hill thus 'He ascends.'. Also some texts define it as Strong. 10th century Brian Boru was a high king and great national hero of Ireland. | M | |
| 165 | Briana | Celtic | Strong. She ascends. Feminine of Brian. | F | |
| 166 | Briann | Celtic | Strong. She ascends. Feminine of Brian. | F | |
| 167 | Brianna | Celtic | Strong. She ascends. Feminine of Brian. | F | |
| 168 | Briannah | Celtic | Strong. She ascends. Feminine of Brian. | F | |
| 169 | Brianne | Celtic | Strong. She ascends. Feminine of Brian. | F | |
| 170 | Briannon | Celtic | Strong. She ascends. Feminine of Brian. | F | |
| 171 | Briano | Celtic | Variant of Brian: Brave; Virtuous. Famous Bearers: Canadian singer Brian Adams and British singer Bryan Ferry. | M | |
| 172 | Briant | Celtic | Strong; He ascends. 10th century Brian Boru was a high king and great national hero of Ireland. | M | |
| 173 | Brice | Celtic | Swift. Famous bearer: St Brice, sometimes called St. Britius, was a 5th century Bishop of Tours. | M | |
| 174 | Bricriu | Celtic | The poison tongued. | M | |
| 175 | Brid | Celtic | Strong. | F | |
| 176 | Bride | Celtic | A variant of the Celtic Bridget, meaning strong. Although Bride was once a common name in England and Scotland, it is rarely seen today. | F | |
| 177 | Bridget | Celtic | Strong. | F | |
| 178 | Bridie | Celtic | Diminutive of Bride: A variant of the Celtic Bridget, meaning strong. Although Bride was once a common name in England and Scotland, it is rarely seen today. | F | |
| 179 | Brien | Celtic | Variant of Brian: Brave; Virtuous. | M | |
| 180 | Brienna | Celtic | Strong. She ascends. Feminine of Brian. | F | |