- Balbriggan
- Birr
- Bray
- Baconstown
- Badgerhill
- Badgerisland
- Bagenal’s Arms Cross Roads
- Bagenalstown
- Bahana
- Bahana
- Baile Chuag
- Bailis
- Balally
- Balbradagh
- Balbrigh
- Balcunnin
- Baldongan
- Baldonnell
- Baldoyle
- Baldoyle
- Baldoyle
- Baldwinstown
- Baldwinstown
- Balgeeth
- Balgeeth
- Balgill
- Balgree
- Balgriffin
- Balief Cross Roads
- Balisland