County
Antrim
Armagh
Carlow
Cavan
City of Belfast
City of Cork
Clare
Cork E.R.
Cork W.R.
Donegal
Down
Dublin
Dublin City
Fermanagh
Galway E.R.
Galway Town
Galway W.R.
Kerry
Kildare
Kilkenny
Kilkenny City
Kings County
Leitrim
Limerick
Limerick City
Londonderry
Londonderry City
Longford
Louth
Mayo
Meath
Monaghan
Queens County
Roscommon
Sligo
Tipperary N.R.
Tipperary S.R.
Tyrone
Waterford
Waterford City
Westmeath
Wexford
Wicklow
   RIC / DMP Stations for : Mayo

 District Station
 Ballaghadereen Ballaghadereen
   Ballyhaunis
   Carracastle
   Doocastle
   Kilkelly
   Kilmovee
 Ballina Ballina
   Ardnaree
   Ballycastle
   Bonniconlon
   Crossmolina
   Farmhill
   Killala
   Newtown Cloghans
 Ballinrobe Ballinrobe
   Brownstown
   Cappaduff
   Cong
   Kilmain
   Partry
   Shruel
 Belmullet Belmullet
   Bangor
   Corick
   Geesalia
   Glencalry
   Mullaghroe
   Rossport
 Castlebar Castlebar
   Balla
   Ballyglass
   Ballyhean
   Ballyvary
   Belcarra
   Deergrove
   Glen Island
   Kinnury
   Turlough
 Claremorris Claremorris
   Annfield
   Ballindine
   Drymills
   Hollymount
   Knock
   Murneen
 Newport Newport
   Achill Sound
   Ballycroy
   Brockagh
   Coolnabinnia
   Doogort
   Keel
   Knockloughra
   Mulranny
 Swinford Swinford
   Bohola
   Charlestown
   Foxlford
   Kiltemogh
   Nephin
   Pontoon
 Westport Westport
   Westport, Quay
   Ayle
   Cuilmore
   Erriff Bridge
   Louisburgh
   Murrisk

Notes:

List of Royal Irish Constabulary (R.I.C.) and Dublin Metropolitan Police (D.M.P.) stations c1890

The headquarters of each district is indicated in bold.

W.R., S.R. refer to West Riding, South Riding etc, which are divisions of the larger counties.

The D.M.P. served Dublin city and parts of south east County Dublin, out as far as Kingstown (now Dún Laoghaire)