Loch an Dobharchú, Sliabh Gartáin, Dún na nGall
Lough Nadourcon, Gartan Mountain, Donegal
www.logainm.ie/ga/1418844
&
Sruthán an Dobharchú, An Seanúllord, BÁC
Otterbrook, Oldorchard, Dublin
www.sraidainm.ie/en/1379259
Scoilt an Mhadaidh Uisce / 'Scoltavaddyiska', Seisíoch, Dún na nGall
Oileán an Mhada Uisce / Otter Island, Loch Bó Finne, i Liatroim / Ros Comáin
Carraig na Madaí Uisce / 'Carrickmaddyiska', Dubhoileán Mór, Maigh Eo
Oileán an Mhadra Uisce / Otter Island, Loch Luíoch, Ciarraí
Carraig an Mhada Uisce / Otter Rock, Ros Cíde, Gaillimh
Oileán an Mhadra Uisce / Otter Island, Loch Eidhneach
Loch an Mhadra Uisce / 'Lough Madderiska', Gaillimh
Oileán an Mhadaidh Uisce / Saint Helena Island or Otters Island, Dún na nGall
Poll an Mhadaidh Uisce / 'Pollawaddyiska', Dún na nGall
"...the name refers not to Romans, but to the name of the city itself. Little is known of its origin, but...a local tradition of it being a holy well was recorded in the Ordnance Survey Name Book"
(Conchubhar Ó Crualaoich & Justin Ó Gliasáin, The Placenames Branch)
www.logainm.ie/en/themes/169