Index of Place and Personal Names

It will simplify matters for the English reader if the following points respecting the pronunciation of proper names in medieval Irish, are borne in mind:

Each simple word is accented on the first syllable. Pronounce:

á (long), as in aught; a (short), as in hot.
c with slender vowels (e, i), as in king; never as s.
c with broad vowels (a, o, u), as in car; never as s.
ch with slender vowels (e, i), as in German Ich; never as in church.
ch with broad vowels (a, o, u), as in German Buch; never as in church.
d with slender vowels (e, i), as in French dieu.
d with broad vowels (a, o, u), as in thy.
é (long), as in ale; e (short), as in bet.
g with slender vowels (e, i), as in give; never as j.
g with broad vowels (a, o, u), as in go; never as j.
gh with slender vowels (e, i) is slender ch voiced.
gh with broad vowels (a, o, u) is broad ch voiced.
í (long), as in feel; i (short), as in it.
mh and bh intervocalic with slender vowels, as v.
mh and bh intervocalic with broad vowels, as w.
ó (long), as in note; o (short), as in done.
s with slender vowels (e, i), as in shine; never as z.
s with broad vowels (a, o, u), as s.
t with slender vowels (e, i), as in tin.
t with broad vowels (a, o, u), as in threw.
th, like h.
ú (long), as in pool; u (short), as in full.
The remaining consonants are pronounced almost as in English.

Aed: to rime with Day

Aed Ernmas: the father of the Morrigan

Ai: see Mag Ai

Aidne: a district comprising the barony of Kiltartan, in the south-west of the County Galway

Aifè: one of the three women-teachers of Cuchulain and Ferdiad (pronounced Eefe)

Ailè: north-east of Baile, on Medb’s march from Cruachan into Ulster

Ailill: king-consort of Queen Medb, dwelling in Cruachan Ai (pronounced Ayeleel)

Ailill Find Miltenga: one of the chief heroes of Ulster

Ailill macMailchlo: father of Sencha

Ainè: see Cnoc Ainè

Airnè: north-east of Assè

Alba: Scotland

Amargin Iarngiunnach: a leading Ulster hero; father of Conall Cernach and brother of Iliach (pronounced Avergin)

Ane: a district in which is Knockaney in the County Limerick

Ardachad: north of Druim Liccè

Ard Ciannachta: a place in the barony of Ferrard, in the County Louth

Ard Cuillenn: in Ulster, east of Moin Coltna

Ard Macha: Armagh

Assail: a place in Meath

Assè: north of Finnabair (Fennor), on Medb’s march out of Connacht into Ulster

Ath: ‘a ford’ (pronounced Ah)

Ath Aladh Ind: a ford in the Plain of Murthemne

Ath Berchna: in Connacht, north-west of Croohan, near Bellanagare; it may be for Ath Bercha, in East Roscommon, and on or near the Shannon

Ath Buide: the village of Athboy, in the territory of Ross, County Meath

Ath Carpat: a ford on the river Nith (now the Dee), in the County Louth

Ath Ceit Chule: a ford on the river Glais, in Ulster

Ath Cliath: Dublin

Ath Coltna: in Connacht, south-west of Ath Moga and south-east of Cruachan

Ath Cro: a ford in Murthemne

Ath da Fert: a ford in Sliab Fuait, probably in the south of the barony of Upper Fews, County Armagh

Ath Darteisc: a ford in Murthemne

Ath Feidli: a ford in Ulster

Ath Fene: see Ath Irmidi

Ath Firdead: Ardee, a ford and a small town on the river Dee, in the County Louth

Ath Gabla: a ford on the Boyne, north of Knowth, in the County Meath (pronounced Ah gowla)

Ath Grenca: the same as Ath Gabla

Ath Irmidi: the older name of Ath Fene, south of Iraird Cuillinn

Ath Lethain: a ford on the Nith, in Conalle Murthemni

Ath Luain: Athlone, on the Shannon, on the borders of Connacht and Meath

Ath Meislir: a ford in Sliab Fuait, in Ulster

Ath Moga: the present Ballymoe, on the river Suck, about ten miles to the south-west of Cruachan, County Galway

Ath Mor: the old name for Ath Luain

Ath na Foraire: on the road between Emain and Loch Echtrann

Ath Slissen: Bellaslishen Bridge; a ford on the Owenure River, near Elphin, in Connacht

Ath Solomshet: a ford, probably in Ulster

Ath Srethe: a ford in Conalle Murthemni

Ath Tamuin: a ford, somewhere in Ulster

Ath Traged: at the extremity of Tir Mor, in Murthemne

Ath Truim: Trim, on the river Boyne, in the County Meath

Aue: a slave in the household of King Conchobar

Aurthuile: north-east of Airne

Bacca: in Corcumruad

Bacc Draigin: a place in Ulster

Badb: the war-fury, or goddess of war and carnage; she was wont to appear in the form of a carrion-crow. Sometimes she is the sister of the Morrigan, and, as in the Táin Bó Cúalnge, is even identified with her (pronounced Bive)

Badbgna: now Slieve Bawne, a mountainous range, in the barony of Ballintubber, in the east of County Roscommon

Baile: north-east of Meide ind Eoin, on Medb’s march from Connacht into Ulster

Baile in Bile: on the way to Ardee

Bairche: Benna Bairche, the Mourne Mountains, north of Dundalk, in Ulster

Ball Scena: north-east of Dall Scena

Banba: an old name for Ireland

Banna: now the Bann, a river in Ulster

Becaltach: grandfather of Cuchulain

Bedg: a river in Murthemne

Belat Aileain: probably between Cualnge and Conalle Murthemni

Belach Caille More: north of Cnogba

Benna Bairche: see Bairche

Berba: the Barrow, a river in Leinster

Bercha: on or near the Shannon, near Bellanagare, in East Roscommon

Berchna: probably for Bercha

Bernas: the pass cut by Medb from Louth into Armagh; probably the “Windy Gap” across the Carlingford Peninsula

Betha: see Sliab Betha

Bir: the name of several rivers; probably Moyola Water, a river flowing into Lough Neagh

Bithslan: a river in Conalle Murthemni

Blai: a rich Ulster noble and hospitaller

Boann: the River Boyne

Bodb: the father of Badb

Boirenn: Burren, in the County Clare

Branè: probably a hill not far from Ardee, in the County Louth

Breslech Mor: a fort in Murthemne

Brecc: a place in Ulster

Brega: the eastern part of Meath

Brenide: a river in Conalle Murthemni, near Strangford Lough

Bricriu: son of Carbad, and the evil adviser of the Ulstermen

Bri Errgi: stronghold of Errge Echbel, in the County Down

Brigantia: Betanzos, in Galicia, on the north coast of Spain

Bri Ross: a hill to the north of Ardee, in the County Louth

Brug Meic ind Oc, or, as it is also called,

Brug na Boinde: Brugh on the Boyne, near Stackallen Bridge, County Meath, one of the chief burial-places of the pagan Irish

Buagnech: probably in Leinster and near the river Liffey

Buan: a river in Conalle Murthemni

Buas: the river Bush, in the County Antrim

Burach: a place in Ulster

Callann: the Callan, a river near Emain Macha

Canann Gall: a place in Ulster

Carn: north of Inneoin; probably Carn Fiachach, in the parish of Conry, barony of Rathconrath, Westmeath

Carn macBuachalla, at Dunseverick, in Ulster

Carbre: stepson of Conchobar and brother of Ailill

Carrloeg: a place in Ulster

Casruba: father of Lugaid and grandfather of Dubthach

Cathba: north-east of Ochonn, in Meath; or a river flowing into the Boyne, some distance to the west of Slane

Cathba: a druid of Conchobar’s court; according to some accounts, the natural father of King Conchobar (pronounced Cahvah)

Celtchar: son of Uthechar, an Ulster warrior

Cenannas na rig: Kells, in the Covinty Meath

Cenn Abrat: a range of hills on the borders of the Counties Cork and Limerick

Cet macMagach: a Connacht warrior

Cinn Tire: a place in Ulster

Clann Dedad: one of the three warrior-clans of Erin: a sept occupying the territory around Castleisland, County Kerry

Clann Rudraige: the warriors of King Conchobar: one of the three heroic tribes of Ireland

Clartha: Clara, near the present town of Mullingar, in the County Westmeath

Cletech: a residence of the kings of Ireland in Mag Breg, near Stackallan Bridge, on the banks of the Boyne

Clidna: see sub Tonn

Clithar Bo Ulad: probably in the centre of the County Louth

Cliu: an extensive territory in the county Limerick

Clothru: sister of Medb: Medb slew her while her son, Firbaide, was still unborn

Cluain Cain: now Clonkeen, in the west of County Louth

Cluain Carpat: a meadow at the river Cruinn in Cualnge

Cluain maccuNois: Clonmacnoise, on the Shannon, about nine miles below Athlone

Cnoc Aine: Knockany, a hill and plain in the County Limerick

Cnogba: Knowth, on the Boyne, near Drogheda, a couple of miles east of Slane, in the County Meath

Colbtha: the mouth of the Boyne at Drogheda, or some place near the Boyne

Collamair: between Gormanstown and Turvey, in the County Dublin

Coltain: south of Cruachan Ai

Conall: probably Tyrconnel, in the County Donegal

Conall Cernach: one of the chief warriors of Ulster: foster-brother of Cuchulain and next to him in point of prowess

Conalle Murthemni: a level plain in the County Louth, extending from the Cooley Mountains, or Carlingford, to the Boyne

Conchobar: son of Cathba the druid, and of Ness, and foster-son of Fachtna Fatach (variously pronounced Cruhóor, Connahóor)

Conlaech: son of Cuchulain and Aifè

Corcumruad: the present barony of Corcomroe, in the County Clare

Cormac Conlongas: King Conchobar’s eldest son; called “the Intelligent Exile,” because of the part he took as surety for the safety of the exiled sons of Usnech

Coronn: the barony of Corran, in the County Sligo

Corp Cliath: a place in Ulster

Craeb ruad: ordinarily Englished “Red Branch”; better, perhaps, “Nobles’ Branch:” King Conchobar’s banqueting-hall, at Emain Macha

Crannach: at Faughart, north-east of Fid Mor

Cromma: a river flowing into the Boyne not far from Slane

Cronn hi Cualngi: probably a hill or river of this name near Cualnge

Cruachan Ai: the ancient seat and royal burial-place of the kings of Connacht, ten miles north-east of the modern Rathcroghan, near Belanagare, in the County Roscommon (pronounced Croohan)

Cruinn: a river in Cualnge: probably the stream now called the Piedmont River, emptying into Dundalk Bay

Cruthnech: the land of the Irish Picts; the northern part of the County Down and the southern part of the County Antrim

Cu, Cucuc, Cuacain, Cucucan, Cucucuc: diminutives of the name Cuchulain

Cualnge: Cooley, a mountainous district between Dundalk Bay and Drogheda, in the barony of Lower Dundalk, in the County Louth. It originally extended to the County Down, and the name is now applied to the southern side of the Carlingford Mountains (pronounced Cūln’ya)

Cualu: a district in the County Wicklow

Cuchulain: the usual name of the hero Setanta; son of the god Lug and of Dechtire, and foster-son of Sualtaim (pronounced Cuhŭ́lin)

Cuib: on the road to Midluachair

Cuilenn: the Cully Waters flowing southward from County Armagh into County Louth

Cul Siblinne: now Kells in East Meath

Cul Silinne: Kilcooley, a few miles to the south-east of Cruachan, in the County Roscommon

Culenn: a river in Conalle Murthemni

Cuillenn: see Ard Cuillenn

Cuillenn Cinn Duni: a hill in Ulster

Cuince: a mountain in Cualnge

Cumung: a river in Conalle Murthemni

Curoi: son of Darè and king of South Munster

Cuscraid Menn Macha: son of Conchobar

Dall Scena: a place north of Ailè

Dalraida: now “the Route,” a territory north of Slieve Mish, in the north of the County Antrim

Darè: chieftain of the cantred of Cualnge and owner of the Brown Bull of Cualnge

Dechtire: sister of King Conchobar and mother of Cuchulain

Delga: see Dun Delga

Delga Murthemni: Dundalk

Delinn: a place or river near Kells between Duelt and Selaig, on Medb’s march from Cruachan into Ulster

Delt: a place north of Drong, on Medb’s march from Cruachan into Ulster

Delt: a river in Conalle Murthemni

Dergderc: Lough Derg, an expansion of the Shannon near Killaloe

Dichaem: a river in Conalle Murthemni

Domnann: see Irrus Domnann

Drong: a river in the land of the men of Assail, in Meath

Druim Caimthechta: north-east of Druim Cain

Druim Cain: possibly an older name for Temair (Tara)

Druim En: in South Armagh; probably a wooded height, near Ballymascanlan, in the County Louth

Druim Fornocht: near Newry, in the County Down

Druim Liccè: north-east of Gort Slane, on Medb’s march from Connacht into Ulster

Druim Salfinn: now Drumshallon, a townland in the County Louth, six miles north of Drogheda

Dub: the Blackwater, on the confines of Ulster and Connacht; or the confluence of the Rivers Boyne and Blackwater at Navan

Dubh Sithleann (or Sainglenn): the name of one of Cuchulain’s two horses

Dubloch: a lake between Kilcooley and Slieve Bawne, in the County Roscommon, on Medb’s march from Cruachan into Ulster

Dubthach Doel Ulad: the Ulster noble who shares with Bricriu the place as prime mover of evil among the Ulstermen (pronounced Dŭf-fach)

Duelt: north or north-west of Delt, on Medb’s march from Cruachan into Ulster

Dun da Benn: Mount Sandle, on the Bann, near Coleraine in the County Derry

Dun Delga: Dundalk, or the moat of Castletown, on the east coast near Dundalk; Cuchulain’s home town

Dun macNechtain Scenè: a fort in Mag Breg, at the place where the Mattock falls into the Boyne, about three miles above Drogheda

Dun Sobairche: Dunseverick, about three miles from the Giants’ Causeway, in the County Antrim

Elg: an old name for Ireland

Ellne: probably east of the River Bann, near Coleraine

Ellonn: a place in Ulster

Emain Macha: the Navan Fort, or Hill, two miles west of Armagh; King Conchobar’s capital and the chief town of Ulster (pronounced Evvin Maha)

Emer Foltchain: wife of Cuchulain (pronounced Evver)

Enna Agnech: according to the Annals of the Four Masters, he was High King of Ireland from 312 to 293 b.c.

Eo Donn Mor: north-east of Eo Donn Bec, in the County Louth

Eocho Fedlech: father of Medb; according to the Four Masters, he reigned as monarch of Ireland from 142 to 131 b.c. (pronounced Yŭh-ho)

Eocho Salbuide: King of Ulster and father of Cethern’s wife, Inna

Eogan macDurthachta: a chief warrior of Ulster and Prince of Fernmag

Erc macFedilmithi: an Ulster hero, son of Fedlimid and grandson of Conchobar

Erna: a sept of Munstermen who later settled about Lough Erne, in Connacht

Ess Ruaid: Assaroe; a cataract on the River Erne near Ballyshannon, in the south of the County Donegal. It constituted part of the old boundary between Ulster and Connacht

Etarbane: one of the “seats” of the king of Cashel, in Tipperary

Ethliu: father of Lug

Ethne: sister of Medb (pronounced Ehnna)

Fachtna Fathach: king of Ulster and later of all Ireland; adoptive father of Conchobar and husband of Ness, Conchobar’s mother

Fal (or Inisfail): one of the bardic names for Ireland; Medb is called “of Fal,” as daughter of the High King of Ireland (pronounced Fawl)

Fan na Coba: a territory in the baronies of Upper and Lower Iveagh, in the County Down

Fedain Cualngi: a place in Ulster

Fedlimid Nocruthach: daughter of King Conchobar, wife of Loegaire Buadach, mother of Fiachna and cousin-german of Cuchulain (pronounced Falemid)

Femen: a territory at Slieve-na-man, extending perhaps from Cashel to Clonmel, in the southern part of the County Tipperary

Fenè: the old tribal name of the Gaels; the “King of the Fenè” is Conchobar, King of Ulster

Feorainn: a place near Ardachad, on Medb’s march into Ulster

Fercerdne: chief poet of the men of Ulster

Ferdiad: (pronounced Fair-dee-ah)

Fergus macRoig: one time king of Ulster; in voluntary exile in Connacht after the treacherous putting to death of the sons of Usnech by Conchobar. He became the chief director of the Táin under Medb

Ferloga: Ailill’s charioteer

Fernmag: Farney, a barony in the County Monaghan

Ferta Fingin: at Sliab Fuait

Fiachu macFiraba: one of the exiles of Ulster in the camp of Medb

Fian: the warrior-class

Fid Dub: a wood, north of Cul Silinne, on Medb’s march into Ulster

Fid Mor: a wood, north of Dundalk and between it and Sliab Fuait

Fingabair: probably in the Fews Mountains

Finnabair: daughter to Ailill and Medb (pronounced Fín-nū-ūr)

Finnabair: Fennor, on the banks of the Boyne, near Slane, in Meath

Finnabair Slebe: near Imlech Glendamrach

Finncharn Slebe Moduirn: a height in the Mourne Mountains

Finnglas: a river in Conalle Murthemni

Finnglassa Asail: a river south-east of Cruachan

Fir Assail: a district containing the barony of Farbill, in Westmeath

Flidais Foltchain: wife of Ailill Finn, a Connacht chieftain; after her husband’s violent death she became the wife of Fergus, and accompanied him on the Táin

Fochain: near Cuchulain’s abode

Fochard Murthemni: Faughart, two miles north-west of Dundalk, in the County Louth

Fodromma: a river flowing into the Boyne near Slane

Fuil Iairn: the name of a ford west of Ardee

Gabal: the Feeguile, a river in the King’s County

nGabar: a place near Donaghmore, perhaps to, the west of Lough Neagh in the County Tyrone

Galian: a name the Leinstermen bore. They were Ailill’s countrymen

Gainemain: a river in Conalle Murthemni

Garech: the name of the hill where the final battle of the Táin was fought, some distance south-east of Athlone and near Mullingar, in Westmeath

Gegg: a woman’s name

Genonn Gruadsolus: a druid and poet of Ulster; son of Cathba

Glaiss Colptha: the river Boyne

Glaiss Gatlaig: a river in Ulster

Glenamain: a river in Conalle Murthemni

Glenn Fochain: probably a valley east of Bellurgan Station

Glenn Gatt: a valley in Ulster

Glennamain: in Murthemne

Glenn in Scail: a place in Dalaraide, East Ulster

Glenn na Samaisce: in Slieve Gullion, in the County Armagh

Glenn Tail: another name for Belat Aileain

Gleoir: the Glore, a river in Conalle Murthemni

Gluine Gabur: east of the Shannon, in the County Longford

Gort Slane: north of Slane and south-west of Druim Liccè

Grellach Bobulge: at Dunseverick, in Ulster

Grellach Dolar (or Dolluid): Girley, near Kells, in the County Meath

Gualu Mulchi: the town-land of Drumgoolestown on the river Dee, in the County Louth

Ialla Ilgremma: near Sliab Betha and Mag Dula

Ibar macRiangabra: Conchobar’s charioteer

Id macRiangabra: Ferdiad’s charioteer, brother to Laeg

Ilgarech: a hill near Garech, q.v.

Iliach: grandfather to Conall Cernach

Illann Ilarchless: an Ulster warrior, son to Fergus

Imchad: son to Fiachna

Imchlar: near Donaghmore, west of Dungannon, in the County Tyrone

Immail: a place in the Mourne Mountains, in Ulster

Imrinn: a druid, son to Cathba

Inis Cuscraid: Inch, near Downpatrick

Inis Clothrann: Inishcloghran in Loch Ree, County Longford

Innbir Scene: the mouth of Waterford Harbour near Tramore; or the mouth of Kenmare Bay, in the County Kerry

Inncoin: the Dungolman, a river into which the Inny flows and which divides the barony of Kilkenny West from Rathconrath, in the County Westmeath

Iraird Cuillinn: a height south of Emain Macha, in Ulster

Irrus Domnann: the barony of Erris, in County Mayo: the clan which bore this name and to which Ferdiad belonged was one of the three heroic races of ancient Ireland

Laeg: son of Riangabair and Cuchulain’s faithful charioteer (pronounced Lay)

Latharne: Larne, in the County Antrim

Lebarcham: a sorceress

Leire: in the territory of the Fir Roiss, in the south of the County Antrim

Ler: the Irish sea-god

Lethglas: Dun Lethglaisse, now Downpatrick, in Ulster

Lettre Luasce: between Cualnge and Conalle

Lia Mor: in Conalle Murthemni

Liath Mache: ‘the Roan,’ one of Cuchulain’s two horses.

Lia Ualann: in Cualnge

Linè (or Mag Linè): Moylinne, in the County Antrim

Loch Ce: Lough Key, in the County Roscommon

Loch Echtrann: Muckno Lake, south of Sliab Fuait, in the County Monaghan

Loch Erne: Lough Erne, in the County Fermanagh

Loch Ri: Lough Ree, on the Shannon, in the County Galway

Loegaire Buadach: son to Connad Buide and husband of Fedlimid Nocruthach; one of the chief warriors of Ulster (pronounced Layeray)

Lothor: a place in Ulster

Luachair: probably Slieve Lougher, or the plain in which lay Temair Luachra, a fort somewhere near the town of Castleisland, in the County Kerry

Lug: the divine father of Cuchulain

Lugaid: father of Dubthach

Lugmud: Louth, in the County of that name

Luibnech: possibly a place now called Limerick, in the County Wexford

MacMagach: relatives of Ailill

MacRoth: Medb’s chief messenger

Mag: ‘a plain’ (pronounced moy)

Mag Ai: the great plain in the County Roscommon, extending from Ballymore to Elphin, and from Bellanagare to Strokestown (pronounced Moy wee)

Mag Breg: the plain along and south of the lower Boyne, comprising the east of County Meath and the north of County Dublin (pronounced Moy bray)

Mag Cruimm: south-east of Cruachan, in Connacht

Mag Dea: a plain in Ulster

Mag Dula: a plain though which the Do flows by Castledawson into Lough Neagh

Mag Eola: a plain in Ulster

Mag Inis: the plain comprising the baronies of Lecale and Upper Castlereagh, in the County Down

Mag Linè: Moylinne, a plain to the north-east of Lough Neagh, in the barony of Upper Antrim

Mag Mucceda: a plain near Emain Macha

Mag Trega: Moytra, in the County Longford

Mag Tuaga: a plain in Mayo

Maic Miled: the Milesians

Mairg: a district in which is Slievemargie, in the Queen’s County and the County Kilkenny

Manannan: son of Ler, a fairy god

Margine: a place in Cualnge

Mas na Righna: Massareene, in the County Antrim

Mata Murisc: mother of Ailill

Medb: queen of Connacht and wife of Ailill (pronounced Mave; in modern Connacht Irish Mow to rhyme with cow)

Meide ind Eoin, and Meide in Togmail: places in or near the Boyne, in the County Louth

Midluachair: Slige Midluachra, the name of the highroad east of Armagh, leading north from Tara to Emain and into the north of Ireland

Mil: the legendary progenitor of the Milesians (See Maic Miled)

Miliuc: a river in Conalle Murthemni

Moduirn: see Sliab Moduirn

Moin Coltna: a bog between Slieve Bawne and the Shannon

Moraltach: great grandfather of Cuchulain

Morann: a famous judge

Morrigan: the war-goddess of the ancient Irish, “monstrum in feminae figura” (pronounced More-reegan)

Mossa: a territory, the southern part of which must have been in the barony of Eliogarty, not far from Cashel, in the County Tipperary

Muach: a river in Conalle Murthemni

Muresc: the land of Ailill’s mother; Murresk Hamlet, between Clew Bay and Croagh Patrick, in the County Mayo

Murthemne: a great plain along the northern coast of the County Louth between the river Boyne and the Cooley Mountains; now belonging to Leinster, but, at the time of the Táin, to Ulster (pronounced Mŭr-hĕ́v-ny)

Nemain: the Badb

Ness: mother of King Conchobar by Cathba; she afterwards married Fachtna Fathach and subsequently Fergus macRoig

Nith: the river Dee which flows by Ardee, in the County Louth

Ochain: the name of Conchan bar’s shield

Ochonn Midi: a place near the Blackwater at Navan

Ochtrach: near Finnglassa Asail, in Meath

Oenfer Aifè: another name for Conlaech

Oengus Turbech: according to the Annals of Ireland, he reigned as High King from 384 to 326 b.c.

Ord: south-east of Cruachan and north of Tiarthechta

Partraige beca: Partry in Slechta south-west of Kells, in Meath

Port Largè: Waterford

Rath Airthir: a place in Connacht

Rath Cruachan: Rathcroghan, between Belanagare and Elphin, in the County Roscommon

Rede Loche: a place in Cualnge

Renna: the mouth of the Boyne

Riangabair: father of the charioteers, Laeg and Id

Rigdonn: a place in the north

Rinn: a river in Conalle Murthemni

Rogne: a territory between the rivers Suir and Barrow, in the barony of Kells, the County Kildare or Kilkenny

Ross: a district in the south of the County Monaghan

Ross Mor: probably Ross na Rig, near Ball Scena

Sas: a river in Conalle Murthemni

Scathach: the Amazon dwelling in Alba who taught Cuchulain and Ferdiad their warlike feats (pronounced Scaw-ha)

Selaig: Sheelagh, a townland in the barony of Upper Dundalk

Semne: Island Magee, north-east of Carrickfergus, in the County Antrim

Senbothae: Templeshanbo, at the foot of Mount Leinster, in the County Wexford

Sencha macAilella: the wise counsellor and judge of the Ulstermen

Sered: a plain in the north of the barony of Tirhugh, County Donegal

Setanta: the real name of Cuchulain

Sid: the terrene gods (pronounced She)

Sil: in Lecale, in the County Down

Sinann: the river Shannon

Siuir: the Suir, a river in Munster, forming the northern boundary of the County Waterford

Slabra: a place north of Selaig, near Kells, in Meath

Slaiss: south-east of Cruachan, between Ord and Inneoin

Slane: a town on the Boyne, in Meath

Slechta: south-west of Kells, in Meath

Slemain Mide: “Slane of Meath,” Slewen, three miles to the west of Mullingar, in Westmeath

Sliab Betha: Slieve Beagh, a mountain whereon the Counties of Fermanagh, Tyrone, and Monaghan meet

Sliab Culinn: Slieve Gullion, in the County Armagh

Sliab Fuait: the Fews Mountains, near Newtown-Hamilton, to the west and north-west of Slieve Gullion; in the southern part of the County Armagh

Sliab Mis: Slieve Mish, a mountain in the County Kerry, extending eastwards from Tralee

Sliab Moduirn: the Mourne Range, in the County Monaghan, partly in Cavan and partly in Meath

Sruthair Finnlethe: a river west of Athlone

Sualtaim (or, Sualtach) Sidech: the human father of Cuchulain

Suide Lagen: Mount Leinster, in the County Wexford

Tadg: a river in Conalle Murthemni

Taidle: near Cuib

Taltiu: Teltown, in the County Meath, on or near the Blackwater, between Navan and Kells; one of the chief places of assembly and burial of the Ulstermen

Taul Tairb: in Cualnge

Telamet: a river in Conalle Murthemni

Temair: Tara, the seat of the High King of Ireland, near Navan, in the County Meath (pronounced Tavvir)

Tethba descirt: South Teffia, a territory about and south of the river Inny, in the County Longford

Tethba tuascirt: south-east of Cruachan, in Teffia, County Longford

Tir Mor: in Murthemne

Tir na Sorcha: a fabled land, ruled over by Manannan

Tir Tairngire: “the Land of Promise”

Tonn Clidna: a loud surge in the Bay of Glandore

Tonn Rudraige: a huge wave in the Bay of Dundrum, in the County Cork

Tonn Tuage Inbir: “the Tuns,” near the mouth of the river Bann on the north coast of Antrim

Tor Breogain: “Bregon’s Tower,” in Spain

Tromma: south-east of Cruachan; also the name of a river flowing into the Boyne near Slane

Tuaim Mona: Tumona, a townland in the parish of Ogulla, near Tulsk, south of Cruachan Ai, County Roscommon

Tuatha Bressi: a name for the people of Connacht

Tuatha De Danann: “the Tribes divine of Danu,” the gods of the Irish Olympus

Turloch teora Crich: north of Tuaim Mona

Uachtur Lua: in the land of Ross

Uarba: a place in Ulster

Uathach: one of the three women-teachers of Cuchulain and Ferdiad

Uathu: north of Ochain

Ui Echach: the barony of Iveagh, in the County Down

Umansruth: a stream in Murthemne

Usnech: father of Noisi, Annle and Ardan

Uthechar: father of Celtchar and of Menn