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 a.s.sail, 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 Licce: 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 n.o.ble who shares with Bricriu the place as prime mover of evil among the Ulstermen (p.r.o.nounced _Duffach_)

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 Scene: 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 (p.r.o.nounced _Evvin Maha_)

Emer Foltchain: wife of Cuchulain (p.r.o.nounced _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. (p.r.o.nounced _Yokh-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: a.s.saroe; a cataract on the River Erne near Ballyshannon, in the south of the County Donegal. It const.i.tuted 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 (p.r.o.nounced _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 (p.r.o.nounced _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 (p.r.o.nounced _Falemid_)

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

Fene: the old tribal name of the Gaels; the "King of the Fene" 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: (p.r.o.nounced _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 Tain under Medb

Ferloga: Ailill's charioteer

Fernmag: Farney, a barony in the County Monaghan

Ferta Fingin: at Sliab Fuait