| Irish baby names begining from B |
| Baethan |
 | Foolish. |
| Baibre |
 | Strange. |
| Bailintin |
 | Valiant. |
| Baird |
 | Bard. |
| Bairrfhoinn |
 | Handsome. |
| Ballinamore |
 | From the great river. |
| Ballindeny |
 | From the town of oak wood. |
| Banan |
 | White. |
| Banbhan |
 | Piglet. |
| Baothghalach |
 | Foolish pride. |
| Bard |
 | Variant of Baird: Bard; travelling musician/singer. |
| Barde |
 | Variant of Baird: Bard; travelling musician/singer. |
| Barr |
 | Variant of Baird: Bard; travelling musician/singer. |
| Barra |
 | Fair-haired; fair head. |
| Barram |
 | Handsome. |
| Barran |
 | Little top. |
| Barrie |
 | A form of Barry, from the Irish word for spear. This name is given more commonly to men, but also used as a feminine name. Also Fair-haired. Famous bearer: Sir J. M. Barrie created Peter Pan. |
| Barrington |
 | Fair-haired. |
| Barry |
 | Fair haired. Also from the Irish word for spear. Used regurarly throughout the English-speaking world since the early 20th century. |
| Bayerd |
 | Variant of Baird: Bard; travelling musician/singer. |
| Bayrd |
 | Variant of Baird: Bard; travelling musician/singer. |
| Beacan |
 | Small. |
| Beag |
 | Variant of Beacan: Small. |
| Beamard |
 | Brave as a bear. |
| Beanon |
 | Good. |
| Bearach |
 | Spearlike. |
| Bearchan |
 | Variant of Bearach: Spearlike. |
| Beartlaidh |
 | From Bart's meadow. |
| Bebhinn |
 | Singer. |
| Bec |
 | Diminutive of Beacan: Small. |
| Becan |
 | Variant of Beacan: Small. |
| Bedelia |
 | A variant of Bridget, meaning the high one or strength. Famous bearer: 6th century Irish abbess Brigid )known as St Bridget or St Bride) founded Ireland's first women's religious community. |
| Behellagh |
 | Variant of Baothghalach: Foolish pride. |
| Beinean |
 | Variant of Beanon: Good. |
| Beineon |
 | Variant of Beanon: Good. |
| Beircheart |
 | Shining army. |
| Benen |
 | Kind. |
| Beolagh |
 | Foolish pride. |
| Bercnan |
 | Variant of Bearach: Spearlike. |
| Bergin |
 | Variant of Bearach: Spearlike. |
| Berk |
 | The birch tree meadow. Also see Barclay and Burke. |
| Berke |
 | The birch tree meadow. Also see Barclay and Burke. |
| Berkeley |
 | The birch tree meadow. Also see Barclay and Burke. |
| Berkley |
 | The birch tree meadow. Also see Barclay and Burke. |
| Berneen |
 | Feminine form of Bernard: courage of a bear. |
| Bevin |
 | Singer. |
| Biddy |
 | Diminutive of Brigid: A variant of Bridget, meaning the high one or strength. Famous bearer: 6th century Irish abbess Brigid )known as St Bridget or St Bride) founded Ireland's first women's religious community. |
| Bidelia |
 | Protective. |
| Bidina |
 | Protective. |
| Binean |
 | Variant of Beanon: Good. |
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