G
- (Mayo County) Gorteen More
- (Mayo County) Greenwood
- (Mayo County) Gowel
- (Mayo County) Glenmullynaha West
- (Mayo County) Gorteen Bridge
- (Mayo County) Gowlaun
- (Mayo County) Glenmullynaha East
- (Mayo County) Gowlaun
- (Mayo County) Glastrasna
- (Sligo) Gortygara
- (Sligo) Gorteen Bridge
- (Roscommon) Glebe East
- (Roscommon) Gortaganny
- (Roscommon) Gortanure
- (Roscommon) Glebe
- (County Leitrim) Gortermone
- (Sligo) Grange Beg
- (Sligo) Grangebeg Barr
- (Sligo) Glebe
- (Sligo) Gerrib
- (Sligo) Glennagoolagh
- (Sligo) Grange West
- (Sligo) Graigue
- (Sligo) Greenan
- (Sligo) Graniaroe
- (Sligo) Goats Island
- (Sligo) Green Island
- (Sligo) Gortlownan
- (Sligo) Gaddan
- (County Leitrim) Gortnaskeagh