Eochaid or Eochu Étgudach or Etgedach ("negligent"?), son of Daire Doimthech, son of Conghal, son of Eadaman, son of Mal, son of Lugaid, son of Íth, son of Breogán, was, according to medieval Irish legend and historical tradition, a High King of Ireland. According to the Lebor Gabála Érenn he was chosen as king by the remaining quarter of the men of Ireland after the other three-quarters had died with the former king, Tigernmas, while worshipping the deity Crom Cruach. He introduced a system whereby the number of colours a man could wear in his clothes depended on his social rank, from one colour for a slave to seven for a king or queen. He ruled for four years, until he was killed in battle at Tara by Cermna Finn, who succeeded to the throne jointly with his brother Sobairce. His reign is synchronised with that of Eupales in Assyria. The chronology of Geoffrey Keating's Foras Feasa ar Éirinn dates his reign to 1159–1155 BC, that of the Annals of the Four Masters to 1537–1533 BC.
Géde Ollgothach, son of Ollom Fotla, was, according to medieval Irish legend and historical tradition, a High King of Ireland. He succeeded to the throne on the death of his brother Slánoll. His epithet means "possessing a great voice", and the Lebor Gabála Érenn says during his reign all his subjects had voices as sweet as the strings of a zither. He ruled for eight, or twelve, or seventeen years, before being killed by, according to the Lebor Gabála, the otherwise unknown Fíachu son of Fíadchú; according to Geoffrey Keating and the Annals of the Four Masters, by his nephew and successor Fíachu Findoilches, son of Fínnachta. The chronology of Keating's Foras Feasa ar Éirinn dates his reign to 880–863 BC, that of the Annals of the Four Masters to 1241–1231 BC.
Ailill, son of Slánoll, was, according to medieval Irish legend and historical tradition, a High King of Ireland; scholars now believe these kings to be a pseudohistorical construct of the eighth century AD, a projection into the distant past of a political entity which did not become a reality till Maelseachlainn I. He took power after killing his cousin Berngal. He ruled for twelve, fifteen or sixteen years, according to various versions of the Lebor Gabála Érenn before he was killed by Sírna Sáeglach, a great grandson of Rothechtaid mac Main. The Lebor Gabála synchronises his reign with that of Deioces of the Medes. The chronology of Keating's Foras Feasa ar Éirinn dates his reign to 831–815 BC, that of the Annals of the Four Masters to 1197–1181 BC.
Nuadu Finn Fáil, son of Gíallchad, was, according to medieval Irish legend and historical tradition, a High King of Ireland, who took power after he killed his predecessor, and his father's killer, Art Imlech. The Lebor Gabála Érenn says he ruled for either sixty or forty years before being killed by Art's son Bres Rí. The Lebor Gabála synchronises his reign with that of Cyaxares of the Medes. The chronology of Keating's Foras Feasa ar Éirinn dates his reign to 755–735 BC, that of the Annals of the Four Masters to 1002–962 BC. His son was Áedan Glas, whose son was Siomón Brecc mac Aedan. In turn, Siomón's son was Muiredach Bolgrach.
Siomón Brecc, son of Áedan Glas, son of Nuadu Finn Fáil, was, according to medieval Irish legend and historical tradition, a High King of Ireland. He took power after killing the previous incumbent, Sétna Innarraid, ruled for six years, and was killed by Sétna's son Dui Finn. The Lebor Gabála Érenn synchronises his reign with that of Xerxes I of Persia. The chronology of Geoffrey Keating's Foras Feasa ar Éirinn dates his reign to 685–679 BC, that of the Annals of the Four Masters to 910–904 BC.
Dui Finn, son of Sétna Innarraid, was, according to medieval Irish legend and historical tradition, a High King of Ireland. He took power after killing his predecessor, and his father's killer, Siomón Brecc. He ruled for ten years, before he was killed by Siomón's son Muiredach Bolgrach. The Lebor Gabála Érenn synchronises his reign with those of Xerxes I and Artaxerxes I of Persia. The chronology of Geoffrey Keating's Foras Feasa ar Éirinn dates his reign to 679–674 BCBC, that of the Annals of the Four Masters to 904–894 BC.
Muiredach Bolgrach, son of Siomón Brecc, was, according to medieval Irish legend and historical tradition, a High King of Ireland. He took power after killing his predecessor, and his father's killer, Dui Finn, ruled for 13 months or four years depending on the source consulted, and was then killed by Dui's son Énna Derg. The Lebor Gabála Érenn synchronises his reign with that of Artaxerxes I of Persia. The chronology of Geoffrey Keating's Foras Feasa ar Éirinn dates his reign to 674–670 BC, that of the Annals of the Four Masters to 894–893 BC. His son was Fíachu Tolgrach.
Énna Derg, son of Dui Finn, was, according to medieval Irish legend and historical tradition, a High King of Ireland, who took power after killing his predecessor, and his father's killer, Muiredach Bolgrach. He was called derg, red, because he had a red face. It is said that coins were first used in Ireland during his reign. He ruled for twelve years, before dying of plague in Sliab Mis, surrounded by a large number of his troops. He was succeeded by his son Lugaid Íardonn. The Lebor Gabála Érenn synchronises his reign with that of Artaxerxes I of Persia. The chronology of Geoffrey Keating's Foras Feasa ar Éirinn dates his reign to 670–658 BC, that of the Annals of the Four Masters to 893–881 BC.
Sírlám, son of Finn mac Blatha, was, according to medieval Irish legend and historical tradition, a High King of Ireland. He took power after killing his predecessor, Lugaid Íardonn, in Ráth Clochair. His name means "long hand" or "long arm", and it is said his arms reached the ground when was standing up. He ruled for thirteen years according to the Lebor Gabála Érenn, or sixteen according to Geoffrey Keating and the Four Masters. He drove Lugaid's son Eochu Uairches into exile, but after twelve years overseas Eochu returned and killed him with an arrow. The Lebor Gabála synchronises his reign with that of Artaxerxes I of Persia. The chronology of Keating's Foras Feasa ar Éirinn dates his reign to 649–633 BC, that of the Annals of the Four Masters to 872–856 BC.
Eochu Fíadmuine was, according to medieval Irish legend and historical tradition, joint High King of Ireland with his brother or half-brother Conaing Bececlach. They took power after killing the previous High King, Eochu Uairches. Eochu ruled the southern half of Ireland, Conaing the north.
Conaing Begeclach was, according to medieval Irish legend and historical tradition, joint High King of Ireland with his brother or half-brother Eochu Fíadmuine. They took power after killing the previous High King, Eochu Uairches. Conaing ruled the northern half of Ireland, Eochu the south.
Art, son of Lugaid Lámderg, was, according to medieval Irish legend and historical tradition, a High King of Ireland. He took power after killing his predecessor, and his father's killer, Conaing Bececlach. He ruled for six years, until he was killed by Fíachu Tolgrach and his son Dui Ladrach. According to the Lebor Gabála Érenn, he was succeeded by his son Ailill Finn; Keating and the Four Masters agree he was succeeded by his killer, Fíachu Tolgrach, who was later killed by Ailill Finn. The Lebor Gabála synchronises his reign with that of Darius II of Persia (423–404). The chronology of Keating's Foras Feasa ar Éirinn dates his reign to 599–593 BC, that of the Annals of the Four Masters to 812–806 BC.
Fíachu Tolgrach, son of Muiredach Bolgrach, was a legendary High King of Ireland, according to some medieval and early modern Irish sources. In the Lebor Gabála Érenn he is not a High King: he kills the former High King Art mac Lugdach, but during the reign of Art's son Ailill Finn he is killed in battle against Airgetmar. His son Dui Ladrach later becomes High King. However, in Geoffrey Keating's Foras Feasa ar Éirinn and the Annals of the Four Masters he succeeds Art as High King and rules for seven or ten years, until he is killed by Ailill Finn, who succeeds him. The chronology of Keating's Foras Feasa ar Éirinn dates his reign to 593–586 BC, that of the Annals of the Four Masters to 806–796 BC.
Dui Ladrach, son of Fíachu Tolgrach, was, according to medieval Irish legend and historical tradition, a High King of Ireland. He helped his father kill the High King Art mac Lugdach, then helped Airgetmar take the throne by killing Art's son Ailill Finn and grandson Eochu mac Ailella. Finally he and Eochu Fíadmuine's son Lugaid Laigdech killed Airgetmar, and Dui took the throne himself, ruling for ten years until his former accomplice Lugaid killed him. The Lebor Gabála synchronises his reign with that of Artaxerxes III of Persia. The chronology of Geoffrey Keating's Foras Feasa ar Éirinn dates his reign to 547–537 BC, that of the Annals of the Four Masters to 748–738 BC. His son was Eochu Buadach, who was the father of High King Ugaine Mor Mac Eochu.
Badbchaid, son of Eochu Buadach, son of Dui Ladrach, was, according to late sources, briefly a High King of Ireland. The Lebor Gabála Érenn says Bodbchad murdered his brother, the High King Úgaine Mór, who was succeeded directly by his son Lóegaire Lorc. However, Geoffrey Keating and the Annals of the Four Masters agree that, after killing Úgaine, Bodbchad took the throne for a day and a half, after which Lóegaire killed him. The Lebor Gabála synchronises Úgaine's reign to that of Ptolemy II Philadelphus. The chronology of Keating's Foras Feasa ar Éirinn dates Bodbchad's reign to 411 BC, that of the Annals of the Four Masters to 594 BC.
Óengus Ollom, according to medieval Irish legend and historical tradition, was a High King of Ireland who was the son of Ailill, the son of Labraid Loingsech. He took power after he killed the previous incumbent, Mug Corb, and ruled for eighteen years, until he was killed by Irereo, son of Meilge Molbthach. The Lebor Gabála Érenn synchronizes his reign with that of Ptolemy III Euergetes of Egypt (246–222 BC). The chronology of Geoffrey Keating's Foras Feasa ar Éirinn dates his reign to 355–337 BC, the Annals of the Four Masters to 499–481 BC.
Finnat Már son of Nia Segamain, was, according to medieval Irish legend and historical tradition, a High King of Ireland. He succeeded to the throne after the death of Rudraige mac Sithrigi of plague, but after a reign of one, three or nine years he was killed by Rudraige's son Bresal Bó-Díbad. The Lebor Gabála Érenn synchronises his reign with that of Ptolemy X Alexander I in Egypt. The chronology of Geoffrey Keating's Foras Feasa ar Éirinn dates his reign to 154–151 BC, that of the Annals of the Four Masters to 219–210 BC.
Dui Dallta Dedad, son of Cairpre Lusc, son of Lugaid Luaigne, was, according to medieval Irish legend and historical tradition, a High King of Ireland. He took power after killing his predecessor, and his grandfather's killer, Congal Cláiringnech, and ruled for ten years, at the end of which he was killed by Fachtna Fáthach in the battle of Árd Brestine. The Lebor Gabála Érenn synchronises his reign with that of Ptolemy XII Auletes in Egypt and the civil war between Pompey and Caesar in Rome. The chronology of Geoffrey Keating's Foras Feasa ar Éirinn dates his reign to 120–110 BC, that of the Annals of the Four Masters to 169–159 BC.
