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

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

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

Line (or Mag Line): 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