M
- (County Carlow) Milltown
- (County Carlow) Moanmore
- (County Carlow) Moanamanagh
- (County Carlow) Milltown Cross Roads
- (County Carlow) Monaughrun Cross Roads
- (Wexford) Moylisha
- (County Carlow) Moatabower Bridge
- (Wicklow) Money Bridge
- (Wexford) Monmore
- (Wexford) Moufin
- (Wexford) Mye Cross Roads
- (Wexford) Milehouse
- (Wexford) Mullanagower
- (Wexford) Monagear
- (Wexford) Monagreany
- (Wexford) Mounthoward Cross Roads
- (Wexford) Myaugh
- (Wexford) Moneydurtlow
- (Wexford) Monasootagh
- (Wexford) Monagarrow
- (Wexford) Monbay
- (Wexford) Mine Bridge
- (Wexford) Monale
- (Wexford) Mullaun
- (Wicklow) Mungacullin
- (Wicklow) Mullinacuff
- (Wicklow) Muskeagh
- (Wicklow) Moyne
- (Wicklow) Mount Pleasant
- (Wicklow) Mooreshill