A
- (Mayo County) Arderry
- (Mayo County) Arderry
- (Mayo County) Aghataharn
- (Mayo County) Aghadiffin
- (Sligo) Attiville
- (Sligo) Ardraheen Beg
- (Sligo) Ardraheen More
- (Sligo) Alter
- (Sligo) Annaghbeg
- (Sligo) Annagh
- (Roscommon) Ardsoreen
- (Roscommon) Ardmore
- (Roscommon) Aghalustia
- (Roscommon) Arraghan
- (Roscommon) Ardkill
- (Roscommon) Annaghmaghere
- (Roscommon) Ardass
- (Roscommon) Aghalour
- (Roscommon) Aghaderry
- (Roscommon) Aghacurreen
- (Roscommon) Aghadrestan
- (Roscommon) Attiantaggart
- (Sligo) Ardgivna
- (Sligo) Arnyara
- (Sligo) Ardnaglass
- (Sligo) Ardabrone
- (Sligo) Altanelvick
- (Sligo) Ardcree
- (Sligo) Ardminnan
- (Sligo) Aughris