Dáire mac Dedad is the eponymous ancestor of 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...

 of Munster

Munster

Munster is one of the Provinces of Ireland situated in the south of Ireland. In Ancient Ireland, it was one of the fifths ruled by a "king of over-kings" . Following the Norman invasion of Ireland, the ancient kingdoms were shired into a number of counties for administrative and judicial purposes...

 and father of the legendary Cú Roí mac Dáire. These further associate him with the prehistoric Darini

Darini

The Darini were a people of ancient Ireland mentioned in Ptolemy's 2nd century Geography as living in south Antrim and north Down...

 of Ulster

Ulster

Ulster is one of the four provinces of Ireland, located in the north of the island. In ancient Ireland, it was one of the fifths ruled by a "king of over-kings" . Following the Norman invasion of Ireland, the ancient kingdoms were shired into a number of counties for administrative and judicial...

. He is probably identical with 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...

 (Sírchrechtach), an ancestor of 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...

. As such he is a common ancestor of several prominent dynasties of the so-called Érainn, including the Dál Fiatach

Dál Fiatach

The Dál Fiatach were a group of related dynasties located in eastern Ulster in the Early Christian and Early Medieval periods of the history of Ireland.-Description:...

 of Ulster

Ulster

Ulster is one of the four provinces of Ireland, located in the north of the island. In ancient Ireland, it was one of the fifths ruled by a "king of over-kings" . Following the Norman invasion of Ireland, the ancient kingdoms were shired into a number of counties for administrative and judicial...

.

His brother, whom Dáire is said to have succeeded as King of Munster, was Íar mac Dedad

Íar mac Dedad

Íar mac Dedad was a legendary King of Munster. He is the father, or in some sources more distant ancestor, of Eterscél Mór, and grandfather of the famous Conaire Mór, both High Kings of Ireland....

, ancestor of Eterscél Mór, father of the legendary monarch Conaire Mór

Conaire Mor

Conaire Mór , son of Eterscél, was, according to medieval Irish legend and historical tradition, a High King of Ireland. His mother was Mess Búachalla, who was either the daughter of Eochu Feidlech and Étaín, or of Eochu Airem and his daughter by Étaín...

.

T. F. O'Rahilly

T. F. O'Rahilly

Thomas Francis O'Rahilly was an Irish scholar of the Celtic languages, particularly in the fields of Historical linguistics and Irish dialects. He was a member of the Royal Irish Academy.-Biography:He was born in Listowel, County Kerry, Ireland...

did not see Dáire as distinct from his son, stating that "Cú Roí and Dáire are ultimately one and the same".