Cenel Eoghain Y DNA Project
The Cenél Eóghain produced the Royal Houses of Ulster, the O'Neill's of Tyrone, the O'Neill's of the Fews , the O'Neill's of Clannabuidhe , The powerfull Maclochlainn's of Ulster , Clan Lamont, Clan MacNeil of Barra.
The O'Neill's of Tyrone represented by Feardorcha "Matthew" O'Neill , 1st Baron of Dungannon , the presumed illegitamet son of Conn "Baccach" O'Neill and Alison the wife of the blacksmith of Dundalk. Since the 1600's from this lineage we get the famous Hugh O'Neill, 2nd Earl of Tyrone, Owen Roe O'Neill , Hugh Dubh O'Neill and Sir Phelim O'Neill of Kinard and various countless general's and soldiers in the European continent and Caribbean . This family was based in the Spanish Netherlands , the Balearic island of Mallorca, and the Caribbean islands.
( Many have claimed to be descendats of the Feardorcha "Matthew" O'Neill but none have come foward with a Y-DNA test and at best their genealogy is suspect.)
The O'Neill's of the Fews descendants of Aodh of the Fews himself of the House of Tyrone are represented currently by 3 families.
The Asturia O'Neill's of the Fews who lived and where many born on the island of Puerto Rico until the 1880's. They are the descendants of General Don Arturo O'Neill O'Keffe born on the island of St.Croix in 1783 . Recognized the 2nd Marques del Norte , Represented by Arturo O'Neill de Tyrone. The Sevilla O'Neill's of the Fews currently represented by the descendants of General Don Tulio O'Neill born on the island of St. Croix in 1784.
and another family the Baronets of New York , the descendants of Sir William Johnston.
The O'Neill's of Clannabuidhe represented in Portugal.
The MacNeil's of Barra represented by the Baron of Barra.
(Many of these Houses claim ancestry from the Cenel Eoghain but none of their respected chiefs has come foward with a Y-DNA sample.)
It must be understood that the leading clan of the Cenel Eoghain after the defeat of the MacLochlainn's in the battle of Caim
Eirge in 1241 became the O'Neill's who have a dubious pedigree before Aodh an Macaomh Toinleasc " the Lazy youth ". They obtain their surname not from Niall of the Nine Hostages but from another Niall . Named Njall Glundubh MacAedo born circa 850 A.D. Norway.
Irish genealogies have Niall Glúndub mac Áedo b. 850 A.D. d. 919 A.D., Son of Aed Finliath d. 879 king of Ailech 855-879 A.D. and High King of Ireland 862-879 A.D. and Njall's mother was Mael Muire , the daughter of Cinaed mac Ailpin, King of the Scots.
Aedh Findliath mac Neill was a member of the House of Cenél nEógain of the Northern Uí Néill, and his father was Niall Caille, High King of Ireland 823-845 A.D. In 868, he drove out the invading Danes and Norwegians after defeating them at the Battle of Killiineery . Aed Findliath died in 879 and was buried in Armagh . Aedh Findliath was one of the first among the Ui Neill to establish alliances with the Norse in Ireland.
Njall Glundubh MacAedo some genelogical records show he was born in Norway circa 850 A.D. married to Lund verch ECHACH and the parents of Muirchertach na Cochall Craicinn mac Néill & Njallsdatter whose descendats was Stenkil I of Sweden Ragnvaldsson born circa 1025 of the House of Stenkil and of possible origins from Västergötland , Sweden. There are also accounts of one of Njall's sisters married Olaf the White , the son of Ingjald Helgasson. Olaf the White was the King of Dublin.
( Muirchertach na Cochall Craicinn mac Néill, also known has "the Hector of the Western World" and " Myrkjartan " among the Norse. )
Njall Glundubh MacAedo was killed by King Sigtrygg Caech , a powerful Scandinavian warrior, King of York & Dublin. At the battle of Kilmashoge in October 919 A.D. From this Niall the O'Neill's obtain their surname. Symeon of Durham a monk of the priory of Durham and chronicler describes Sihtric Cáech (Norse Sigtrygg) (died 927) The Norse King of Dublin. To have killed his brother King Niall in 917 a.d. This would put Niall Glundubh of the House of Ivar and not the son of Son of Aed Finnliath.
Lochlann's the leading clan of the Cenel Eoghain until the arrival of the Normans into Ulster under Mac Maurice, the Lord Justice of Ireland, and Hugh de lacy, and they deposed Domnall MacLochlainn in favor of Brian Ua Neill, and the O'Neills thus again became kings of the Cenel Eoghain. Then in the battle of Caim Eirge they were defeated by the O'Donnell's and O'Neill's it should be noted that in the 13th century, the Normans occupied the Inishowen Peninsula and had completed their fortress at Greencastle by 1305.