DEDs in Mayo
- Achill
- Addergoole
- Aghagewer South
- Aghagower North
- Aghamore
- Aillemone
- Ardagh
- Ardmaree North
- Ardmaree South
- Ardnaree South
- Attymass East
- Attymass West
- Balla
- Ballina Rural
- Ballina Urban
- Ballinafad
- Ballinamore
- Ballinchalla
- Ballindine
- Ballinrobe
- Ballycastle
- Ballycroy North
- Ballycroy South
- Ballyhaunis
- Ballyhean
- Ballyhowly
- Ballynagoraher
- Ballyovey
- Ballysakeery
- Bangor
- Barroosky
- Bekan
- Beldermore
- Bellavary
- Belmullet
- Binghamstown North
- Binghamstown South
- Bohola
- Brackloon
- Breaghy
- Bunaveela
- Bundorragha
- Burren
- Burriscarra
- Callow
- Cappaduff
- Caraun
- Carrowmore
- Castlebar Rural
- Castlebar Urban
- Clare Island
- Claremorris
- Clogher
- Cloghermore
- Cloonkeen
- Cloonmore
- Cong
- Coolnaha
- Coonard
- Corraun Achill
- Course
- Croaghmoyle
- Croaghpatrick
- Crossboyne
- Crossmolina North
- Crossmolina South
- Cuildoo
- Culnacleha
- Dalgan
- Deel
- Derry
- Derryloughan
- Doocastle
- Dooega
- Drummin
- Emlagh
- Erriff
- Fortlands
- Garrymore
- Glenamoy
- Glencastle
- Glenco
- Glenkest
- Goolamore
- Hollymount
- Houndswood
- Islandeady
- Kilbeagh
- Kilcolman
- Kilcommon
- Kilfian East
- Kilfian South
- Kilfian West
- Kilgarvan
- Kilgeener
- Kilkelly
- Killala
- Killavally
- Killedan
- Kilmaclasser
- Kilmaine
- Kilmeena
- Kilmore
- Kilsallagh
- Kiltimagh
- Kilvine
- Knappagh
- Knock North
- Knock South
- Knockadaff
- Knocknalower
- Lackan North
- Lackan South
- Letterbrick
- Loughanboy
- Louisburgh
- Manulla
- Mayo
- Meelick
- Mount Falcon
- Muingnabo
- Muings
- Murneen
- Neale
- New Port East
- Newbrook
- Newport West
- Owenbrin
- Owennadernaun
- Pontoon
- Portroyal
- Rathill
- Rathoma
- Rosslee
- Sallymount
- Sheskin
- Shrule
- Slievemahanagh
- Slievemore
- Sraheen
- Srahmore
- Strade
- Swineford
- Tagheen
- Tawnynagry
- Toomore
- Toorcananagh
- Tumgesh
- Turlough
- Urlaur
- Westport Rural
- Westport Urban