B
- (Mayo County) Bracklaghboy
- (Mayo County) Bohogerawer
- (Mayo County) Barcull
- (Mayo County) Ballynacloy
- (Mayo County) Barnagurry
- (Mayo County) Ballindrehid
- (Mayo County) Balloorclerhy
- (Mayo County) Ballynamona
- (Mayo County) Brackloon
- (Mayo County) Ballydrum
- (Mayo County) Blackpatch
- (Mayo County) Boleyboy
- (Mayo County) Ballyroe
- (Mayo County) Ballintemple
- (Mayo County) Bothaul
- (Mayo County) Brownespark
- (Mayo County) Ballyglass
- (Mayo County) Ballinvoher
- (Mayo County) Ballinlag
- (Mayo County) Bohaun
- (Mayo County) Ballintaffy
- (Mayo County) Ballynacarrick
- (Mayo County) Ballynabrehon North
- (Mayo County) Ballyglass West
- (Mayo County) Ballyglass East
- (Mayo County) Barheen
- (Mayo County) Bunnadober
- (Mayo County) Brackloon South
- (Mayo County) Brackloon
- (Mayo County) Brackloon East