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Hello all, I wanted to update everyone with a synopsis of some research that David has written up. As of August 2022 AD, there are over 2050 known R1b-DF104+ men. We only have barely 1300 of these so far...
There are some egregious discrepancies which have been discovered. Some of the more crucial discrepancies are listed below:
The Dál Cuinn are not descendants of Éremón; that is, our Y-DNA does not seem to match up with the other dynasties who claimed Éremón as an ancestor. The Laud 610 genealogy for the Dál Cuinn seems to present the most credible origin as a secondary invasion force who landed probably in the northwest of Ireland, possibly sometime in the second or first centuries BC.
The Cland Colla/Airgíalla are not Dál Cuinn. Please see the Y-Haplotree chart for the Dál Cuinn. Also please visit Peter Biggins’s excellent website for a detailed explanation of the Cland Colla Y-DNA.
The Uí Maine are not a dynastic group, but appear to be a confederation of several groups. The O’Kelly chieftain line seems to be an independent branch. Please see the Y-Haplotree chart. The O’Madden seem to be most closely related to the Dál Cais ancestors, from their FTDNA project results. Many of the other "Uí Maini" families seem to be genetically Uí Briúin and Uí Fiachrach Aidne, especially the Uí Fiachrach Find among the latter. Quite unexpectedly, the Ó Maíl Álaig (Mullally) actually appear to be genetically Uí Néill, Cenél Conaill.
The Uí Fiachrach Mac Fir Bisig are looking like they may not be not Uí Fiachrach at all, but appear to be Uí Néill, Cenél Conaill like the Ó Maíl Álaig.
The Uí Briúin Aí descend from an earlier branch than the Uí Briúin Seóla and the Uí Briúin Bréifne. A member of the O’Conor Don family graciously consented to having his Y-DNA sequenced and his results fell exactly where anticipated among the Uí Briúin Aí families. But the traditional genealogy of the three brothers Dau Tengae Umae (Uí Briúin Seóla), Fergnóe (Uí Briúin Bréifne), and Eóchád Tírmchárnae (Uí Briúin Aí) is not possible genetically.
While the Uí Briúin Seóla and the Uí Briúin Bréifne do descend from a common paternal ancestor, the Uí Briúin Aí had already split off before this ancestor. The best recorded explanation for this seems to be the alternative genealogy presented by Peter O’Connell and echoed by Hubert Thomas Knox in Ruaidrí Ó Flaithbertaig's A Chorographical Description Of West Or H-Iar Connaught, Hardiman, James, Editor, 1846, p. 128 and The History Of The County Of Mayo To The Close Of The Sixteenth Century, 1908, p. 382, respectively.
This alternative genealogy states that Muiredach Máel had two sons: Fergus and Cathal. The Uí Briúin Seóla and Uí Briúin Bréifne descended from Fergus, as the primary genealogies have it; but then the Uí Briúin Aí must have descended from Cathal, who had one son, Fogartach. This is the only recorded explanation found for the indisputable Y-DNA split.
However, there is a third major branch that shares the same paternal ancestor, likely Fergus, as the Uí Briúin Seóla and the Uí Briúin Bréifne. It is very possible this third branch is the true descendants of Eóchád Tírmchárnae, or the Maicne Eócháda Tírmchárnai. This hypothesis preserves the centuries old genealogy of the three sons of Fergus.
It also explains some puzzling historical anomalies such as how Áed Flaithem was giving Annaghdown to the Church in the mid 500s AD and how the "Uí Briúin Aí" Síl Cellaig were living at Loch Cime in the mid 700s AD, as well as the Uí Briúin Bréifne. It would appear that the Uí Briúin Seóla, that is, the descendants of Fergus son of Muiredach Máel, were all living around Mag Seóla until sometime after the 700s AD when they began to split up and disperse; while the Uí Briúin Aí, that is, the descendants of Cathal son of Muiredach Máel, were all living around Mag Aí, where they remained.
In summary, the current hypothesis is that there appears to have been a deliberate conflation error between Áed Flaithem son of Eóchád Tírmchárnae and likely Áed son of Fogartach, both of whom appear to have been Kings of Connacht in the same time frame. It is speculated this may have been done by the Uí Briúin Aí to strengthen their legitimacy as the dominant sept of the Uí Briúin and claim to the Kingship of Connacht in later times.
The Uí Briúin Aí Síl Muiredaig and Cland Cathal split appears to have occurred soon after Fogartach rather than the almost 200 years later after Muiredach Muillethan.
The Uí Briúin Aí Cland Maíl Rúanada are not Síl Muiredaig but appear to be genuinely Maicne Eócháda Tírmchárnai, not Uí Briúin Aí at all.
From what we have observed, the primary problem with the traditional Irish genealogies and annals appears to be conflation and confusion errors; although there are likely deliberately introduced fictions, such as the incorrect progenitor for the Uí Briúin Aí. One classic example is in Tírechán's Collecteana where Áth Dá Loarcc is erroneously identified as being beside Kells, when in fact it was also an early name for Boyle. Similarly, Domnach Sairigi beside Dom Liacc has been hypothesized by us as having been conflated with Leitrim. This would then make Bishop Cethech's journey between the two locations on Easter Sunday and the Little Easter on Monday at least feasible, if difficult. Whether this conflation error was introduced by Tírechán or one of his later scribes/copyists is difficult to say; but if it was introduced by Tírechán himself, then these types of conflation errors were creeping into the records in as little a period of time as 200 years or so after the events being recorded. This is one of many such conflation errors we believe to exist in the records.
Through our efforts, we are constantly expanding the R1b-DF104 Y-Haplotree as our genetic testing data and knowledge grow. To that end, we solicit the participation of all R1b-DF104+ men, as well as anyone who is interested in our research.
https://www.familytreedna.com/groups/sons-of-aodh/activity-feed
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