Cen�l Conaill: The race name of the O'Gallagers, O'Boyles and other families
traditionally descended from Conall Gulban, son of Niall of the Nine Hostages,
located in Tirconnell.
Cen�l Eoghain: The clan name of the O'Neills etc. descended from Eoghan, son
of the Nine Hostages, located in Tyrone and south Derry.
D�l gCais: Otherwise called the Dalcassians; embraces the main septs/clans of
Eoghanacht: The clan name of the descendants of Eoghan, son of Oilioll Olum,
to which many of the main families of south Munster belonged.
S�ol Anmchadha: A branch of the U� Maine.
S� Muireadhaigh (Silmurray) The clan of the O'Connors and other north
U� Fiachrach: The northern and more important, ie. U� Fiachrach Muaidhe, were
located in north Mayo and Slico; the other branch (Aidhne) occupied that part of
south Galway covered by the small diocese of Kilmacduagh.
U� Maine (At one time anglicized Hy Many): Mid-Galway and south RoscommonP>Desmond (Deasmhumhan): Kerry and much of Co. Cork.
Iar Connacht: West Connacht, mainly Connemara.
Muskerry (Muscraidhe) North-west and central Cork.
Oriel (Orghialla): Cos. Armagh and Monaghan and parts of south Down, Louth
Ormond (Urmhumhan): Much of Co. Kilkenny and north Tipperary.
Ossory: The extent of the ancient kingdom of Osraighe was apporoximately the
same as that of the diocese of Ossory, ie. Co. Kilkenny and some adjacent areas.
Thomond (Tuathmhumhan): Most of Co. Clare with adjacent parts of Cos.
Limerick and Tipperary.
Tirconnell (Tir Chonaill): Co. Donegal.
Tirowen (Tir Eoghain): Co. Tyrone with adjacent part of Co. Derry.