Coirpre Luachra mac Cuirc (flourished mid 5th century) was the ancestor

Ancestor

An ancestor is a parent or the parent of an ancestor ....

 of the Eóganacht Locha Léin

Eóganacht Locha Léin

Eóganacht Locha Léin or Ui Caipre Luachra were a branch of the ruling Eoganachta of Munster. Their territory was in Iarmuman or West Munster. Luachair is the old name of a large district on the borders of Co Cork, Kerry and Limerick...

 branch of the Eoganachta, the ruling dynasty

Dynasty

A dynasty is a sequence of rulers considered members of the same family. Historians traditionally consider many sovereign states' history within a framework of successive dynasties, e.g., China, Ancient Egypt and the Persian Empire...

 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...

. This branch was also called the Ui Caipre Luachra, named after him and became the rulers of Iarmuman

Iarmuman

Iarmhumhain was a Kingdom in the early Christian period of Ireland in west Munster. Its ruling dynasty was related to the main ruling dynasty of Munster known as the Eóganachta. Its ruling branch was called the Eóganacht Locha Léin or Ui Chairpri Lúachra. Their center was around Killarney, County...

 (West Munster). He was the son of Conall Corc

Conall Corc

Corc mac Luigthig, also called Conall Corc, Corc of Cashel, and Corc mac Láire, is the hero of Irish language tales which form part of the origin legend of the Eóganachta, a group of kindreds which traced their descent from Conall Corc and took their name from his ancestor Éogan Mór. The early...

 mac Luigthig, founder of the Eoganachta kingdom of Cashel

Cashel, County Tipperary

Cashel is a town in South Tipperary in Ireland. Its population was 2936 at the 2006 census. The town gives its name to the ecclesiastical province of Cashel. Additionally, the cathedra of the Roman Catholic Archdiocese of Cashel and Emly was originally in the town prior to the English Reformation....

 in Munster.

Coirpre is mentioned in genealogical tracts of the Eoganachta

Eóganachta

The Eóganachta or Eoghanachta were an Irish dynasty centred around Cashel which dominated southern Ireland from the 6/7th to the 10th centuries, and following that, in a restricted form, the Kingdom of Desmond, and its offshoot Carbery, well into the 16th century...

. According to these tracts he was the son of Conall Corc by Mongfind

Mongfind

Queen Mongfind was the wife, of apparent Munster origins, of the legendary Irish High King Eochaid Mugmedón and mother of his eldest three sons, Brion, Ailill and Fiachrae, ancestors of the historical Connachta, through whom she is an ancestor of many Irish and European nobility today...

 daughter of Feredach, King of the Picts

Picts

The Picts were a group of Late Iron Age and Early Mediaeval people living in what is now eastern and northern Scotland. There is an association with the distribution of brochs, place names beginning 'Pit-', for instance Pitlochry, and Pictish stones. They are recorded from before the Roman conquest...

 of Scotland

Scotland

Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...

. Hence the alternate name for him Coirpre Cruithneachán (the little Pict). He was fathered while Conall Corc was on a sojourn in Scotland- probably related to raids on Roman Britain. At some point after Conall Corc had established the kingdom of Cashel. Coirpre arrived to claim his inheritance. However, he slew his father's steward and so was cursed by his father and banished to west Munster. His by name Luachra comes from the Sliabh Luachra

Sliabh Luachra

Sliabh Luachra is a region in Munster, Ireland, located around the River Blackwater, on the County Cork/County Kerry/County Limerick borderland.-Music and literature:...

 mountains which separated west Munster from the rest of Munster.

Coirpre's son Maine mac Coirpri (or Maithne) was given the stewardship of west Munster as was his grandson Dauí Iarlaithe mac Maithni

Dauí Iarlaithe mac Maithni

Dauí Iarlaithe mac Maithni was a King of Iarmuman from the Eóganacht Locha Léin branch of the Eoganachta, the ruling dynasty of Munster. He was the grandson of the founder of this branch of the dynasty, Coirpre Luachra mac Cuirc...

who turned the stewardship into a semi-independent kingdom of Cashel.