A
- (County Galway) Ardbear Cottages
- (Mayo County) Ardkeen
- (Mayo County) Atticlea Island
- (Mayo County) An Cheathru Bheag
- (Mayo County) Annagh
- (Mayo County) An Chloch Bhreac
- (Mayo County) Ardboley
- (Mayo County) Acres
- (Mayo County) Attireesh
- (Mayo County) Attavally
- (Mayo County) Ardoley
- (Mayo County) Aghadrinagh
- (Mayo County) Ardvarney
- (Mayo County) Annagh Island Middle
- (Mayo County) Annagh Island West
- (Mayo County) Annagh Island East
- (Mayo County) Ardcloon
- (Mayo County) Ashbrook
- (Mayo County) Aghagowla
- (Mayo County) Aghaloonteen
- (Mayo County) Askillaun
- (Mayo County) Atticahill
- (Mayo County) Aghalusky
- (Mayo County) Altbaun
- (County Galway) Ardbear
- (Mayo County) Addergoole
- (Mayo County) Ardlee
- (Mayo County) Attnaskollia
- (Mayo County) Aghtaboy
- (Mayo County) Annagh