DEDs in Mayo
- Achill
- Addergoole
- Aghagower, North
- Aghamore
- Aillemore
- Ardagh
- Ardlee
- Ardnaree North
- Ardnaree South
- Ardnaree, South Urban
- Attymass East
- Attymass West
- Aughagower, South
- Balla
- Ballina Rural
- Ballina Urban
- Ballinafad
- Ballinamore
- Ballinchalla
- Ballindine
- Ballinrobe
- Ballovey
- Ballycastle
- Ballycroy South
- Ballycroy, North
- Ballyhaunis Urban
- Ballyhean
- Ballyhowly
- Ballynagoraher
- Ballysakeery
- Bangor
- Barrooskey
- Bekan
- Belderg More
- Bellavary
- Belmullet
- Binghamstown, North
- Binghamstown, South
- Bohola
- Brackloon
- Breaghwy
- Bundorragha
- Burren
- Burriscarra
- Callow
- Cappaghduff
- Caraun
- Carrowmore
- Castlebar Rural
- Castlebar Urban
- Clare Island
- Claremorris
- Clogher
- Cloghermore
- Cloonkeen
- Cloonmore
- Cong
- Coolnaha
- Coonard
- Corraun
- Course
- Croaghmoyle
- Croaghpatrick
- Crossboyne
- Crossmolina North
- Crossmolina, South
- Cuildoo
- Culnacleha
- Dalgan
- Deel
- Derry
- Derryloughan
- Doocastle
- Dooega
- Drummin
- Emlagh
- Erriff
- Fortland
- Garrymore
- Glenamoy
- Glencastle
- Glenco
- Glenhest
- Goolamore
- Hollymount
- Houndswood
- Islandeady
- Kilbeagh
- Kilcolman
- Kilcommon
- Kilfian
- Kilfian West
- Kilfian, East
- Kilgarvin
- Kilgeever
- Kilkelly
- Killala
- Killavally
- Kilmaclasser
- Kilmaine
- Kilmeena
- Kilmovee
- Kilsallagh
- Kiltamagh
- Kilvine
- Knappa
- Knock North
- Knock South
- Knockaduff
- Knocknalower
- Lackan, North
- Lackan, South
- Letterbrick
- Loughanboy
- Louisburg
- Manulla
- Mayo
- Meelick
- Mount Falcon
- Muingnabo
- Muings
- Murneen
- Neale
- Newbrook
- Newport, East
- Newport, West
- Owenbrin
- Owennadornaun
- Pontoon
- Portroyal
- Rathill
- Rathoma
- Rosslee
- Sallymount
- Sheskin
- Shrule
- Slievemahanagh
- Slievemore
- Sonnagh
- Sraheen
- Srahmore
- Strade
- Swineford
- Tagheen
- Tawnynagry
- Toocananagh
- Toomore
- Tumgesh
- Turlough
- Urlaur
- Westport, (Rural)
- Westport, Urban