Old Irish Origin Place Names

This is a list of place names in which the origin is Old Irish. Old Irish was the form of the Irish language spoken up to the 10th century.
type
usage
origin
Ciarraí (Political Subdivision) Irish
Irish Gaelic form of Kerry.
Deasmhumhain (Region) Irish
From Irish deas "south" and Mumhain. This was the name of a medieval kingdom in southern Ireland, created when the kingdom of Munster was partitioned. It is Anglicized as Desmond.
Deasumhain (Region) Irish
Variant of Deasmhumhain.
Desmond (Region) English
English form of Deasmhumhain.
Dhè (River) Scottish Gaelic
Scottish Gaelic form of Dee.
Douglas (River & Settlement) Scottish
From Gaelic dubh "dark" and glais "water, river" (an archaic word related to glas "grey, green"). This is the name of a tributary of the River Clyde called the Douglas Water, as well as a town that sits upon it in Lanarkshire.
Dùbhghlas (River & Settlement) Scottish Gaelic
Scottish Gaelic form of Douglas.
Éire (Country & Island) Irish
Possibly means "abundant land" in Old Irish. This is the Irish name of the country and island of Ireland. According to legend the island was named for the goddess Ériu, though in fact it was she who was named for the island.
Ériu (Country & Island) Old Irish
Old Irish form of Éire.
Ierland (Country & Island) Dutch
Dutch form of Ireland.
Ireland (Country & Island) English
Derived from Irish Gaelic Éire and English land. This is the name of an island to the west of Great Britain. The country of Ireland occupies the majority of the island.
Irland (Country & Island) German, Danish, Norwegian, Swedish
German, Danish, Norwegian and Swedish form of Ireland.
Irlanda (Country & Island) Spanish, Portuguese, Italian, Romanian
Spanish, Portuguese, Italian and Romanian form of Ireland.
Irlande (Country & Island) French
French form of Ireland.
Irlandia (Country & Island) Polish, Greek, Georgian, Indonesian
Polish, Greek, Georgian and Indonesian form of Ireland.
Irlandiya (Country & Island) Russian, Ukrainian, Bulgarian
Russian, Ukrainian and Bulgarian form of Ireland.
Irska (Country & Island) Croatian, Serbian, Bosnian, Macedonian, Slovene
Croatian, Serbian, Bosnian, Macedonian and Slovene form of Éire.
Irsko (Country & Island) Czech
Czech form of Éire.
Kerry (Political Subdivision) Irish
From Irish Gaelic Ciarraí meaning "Ciar's people". This is the name of an Irish county.
Man (Island) English
From Old Irish Mana, possibly from the Celtic root *moniyo- meaning "mountain". The Isle of Man is an island between Britain and Ireland. It is a self-governing British dependency.
Mana (Island) Old Irish
Old Irish form of Man.
Manainn (Island) Irish
Irish form of Man (from the Old Irish dative case of Mana).
Manaw (Island) Welsh
Welsh form of Man.
Mannin (Island) Manx
Manx form of Man (from Manainn, the Old Irish dative case of Mana).
Shannon (River) Irish
From Irish Sionainn, probably from Old Irish sen meaning "old, ancient". This is the name of a river in Ireland. It is personified by the mythological figure Sionann.
Sinainn (River) Old Irish
Old Irish form of Shannon.
Sionainn (River) Irish
Irish form of Shannon.
Slane (Settlement) Irish
From the given name Sláine. This is the name of a town in Ireland, said to be named for the legendary high king Sláine.
Tyrone (Political Subdivision) Irish
From Irish Gaelic Tir Eoghain meaning "land of Eoghan". This is the name of a county in Northern Ireland.