Lugaid Loídge "Lugaid of the Calf Goddess", also known as Lugaid mac Dáire, was a legendary King of Tara and High King of Ireland

High King of Ireland

The High Kings of Ireland were sometimes historical and sometimes legendary figures who had, or who are claimed to have had, lordship over the whole of Ireland. Medieval and early modern Irish literature portrays an almost unbroken sequence of High Kings, ruling from Tara over a hierarchy of...

. He is a son of Dáire Doimthech

Dáire Doimthech

Dáire Doimthech, alias Dáire Sírchréchtach, son of Sithbolg, was a legendary King of Tara and High King of Ireland, and eponymous ancestor of the proto-historical Dáirine and historical Corcu Loígde of Munster. A son of his was Lugaid Loígde , an ancestor of Lugaid Mac Con...

, a quo the Dáirine

Dáirine

The Dáirine , later known dynastically as the Corcu Loígde, were the proto-historical rulers of Munster before the rise of the Eóganachta in the 7th century AD. They appear to have derived from the Darini of Ptolemy and to have been related to the Ulaid and Dál Riata of Ulster and Scotland...

, and gives his epithet to their principal royal sept, the Corcu Loígde

Corcu Loígde

The Corcu Loígde , meaning Gens of the Calf Goddess, also called the Síl Lugdach meic Itha, were a kingdom centered in West County Cork who descended from the proto-historical rulers of Munster, the Dáirine, of whom they were the principal royal sept...

. A descendant of Lugaid, with whom he may be to some extent identical, is the famous Mac Con, listed in the Old Irish kinglist Baile Chuinn Chétchathaig

Baile Chuinn Chétchathaig

Baile Chuind Chétchathaig is an Old Irish list of Kings of Tara or High Kings of Ireland which survives in two 16th century manuscripts, 23 N 10 and Egerton 88. It is the earliest such king-list known, probably dating from around 700 AD...

as Mac Con macc aui (moccu) Lugde Loígde.

In some later synchretic traditions, as Lugaid Laigde

Lugaid Laigde

Lugaid Laigdech, son of Eochu mac Ailella, was, according to medieval Irish legend and historical tradition, a High King of Ireland. He helped Dui Ladrach overthrow Airgetmar, and later killed Dui to take the kingship himself. He ruled for seven years, until he was killed by Airgetmar's grandson...

, he is incorrectly made a son of Eochu mac Ailella, and given a son Rechtaid Rígderg

Rechtaid Rígderg

Rechtaid Rígderg , son of Lugaid Laigdech, was, according to medieval Irish legend and historical tradition, a High King of Ireland. He took power after killing Macha Mong Ruad, daughter of his father's killer, Áed Rúad. He ruled for twenty years, until he was killed by Úgaine Mór, foster-son of...

. Another late emanation is Lugaid Luaigne

Lugaid Luaigne

Lugaid Luaigne, son of Finnat Már, was, according to medieval Irish legend and historical tradition, a High King of Ireland. He came to power after killing his predecessor, and his father's killer, Bresal Bó-Díbad, and ruled for five or fifteen years, before he was killed by Congal Cláiringnech...

.