| Baibre Barran Bebhinn Berneen Bidelia Bidina Blyana Brann Brea Breandan Breanne Breck Bree Breeda Breen Breena Brenda | |
| | Brendalynn Brendolyn Brenna Bria Briana Brianna Brianne Brid Bride Bridget Brielle Brighid Brina Brona Bryanna Bryna Brynda | |
| | Banan Banbhan Barram Barrie Barrington Barry Beamard Beartlaidh Ben Benen Beolagh Birr Blaine Blair Blar Blathma Blian Bradaigh Braddon Braden Bradon Brady Braeden Braedon Bram | |
| | Brandan Brannan Brannen Brannon Branson Braoin Brayden Braydon Breandan Breasal Breen Brendan Brenden Brendon Brenn Brennan Brennen Brennon Breslin Broderick Brody Bryne Burney Byme | |
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