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- (Mayo County) Roslaher
- (Mayo County) Rostoohy
- (Mayo County) Rosnakilly
- (Mayo County) Rosmoney
- (Mayo County) Rathredmond
- (Mayo County) Roslahan
- (Mayo County) Rinnaseer
- (Mayo County) Rinnahulty
- (County Galway) River House
- (Mayo County) Rath
- (Mayo County) Rinn
- (Mayo County) Rathscanlan
- (Mayo County) Rabaun
- (Mayo County) Rathslevin
- (Mayo County) Roosky
- (Mayo County) Rockfield
- (Mayo County) Ranaranny
- (Mayo County) Reask
- (Mayo County) Rusheens West
- (Mayo County) Rusheens East
- (Mayo County) Ranagissaun
- (Mayo County) Raherolus
- (Sligo) Rathmadder
- (Sligo) Riverstown
- (Sligo) Rathmagurry
- (Sligo) Rathscanlan
- (Sligo) Rathbaun South
- (Sligo) Rathbaun North
- (Sligo) Rinn
- (Sligo) Ross