- Ancient Irish peoples
As is the case with most modern nations, Irish people descend from a great number of Ancient Irish Peoples, most of whom have with the passage of time being utterly forgotten except by historians.
The majority of modern Irish people believe themselves to be descended from Gaelic peoples living in Ireland prior to the
Viking and Norman settlements. The following is a list of historical and quasihistorical tribal groups, most of which are Gaelic in origin,Fact|date=February 2007 but some of which may have preceded the Goidelic population ofIreland .* Abstanagh
Airgialla (seeKingdom of Oriel )Attacotti Auteine
* BlaniiBrigantes
* Calraige Cauci Cenel Rechta Cenel Trena CiarraigeCairpre
* ConcaniConmaicne Conmaicne Mara Coriondi Cruithne
*Dál nAraidi Dál Fiatach Dál Riata Darini DartraigeDelbhna
*Delbhna Nuadat Déisi Domnainn
* Ebdani EileEóganachta Erdin
* FeniFir Bolg Fir DomnannFir Ol nEchmacht Fir Craibe
*Gamanraige Gangai Gaileanga
*Iverni
* Laigin Loigis Luceni Luigne
* MairtineMenapii Muscraige
*Nagnatae
* Osraighe
* Partraige
* Robogdii
* Saitne SeincheineoilSoghain
*Tuatha Taiden
* Velabri Vennicnii Vodiae Voluntii
* Uaithne Ui Liathain Ui MaineUlaid Usdiae Uterni
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