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Hartnett

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  • Rebecca Davis
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Results:
September 2025
Big-Y 700 test results have come in for two members, who have been placed in a newly created haplogroup Y245932 dating to about 1500CE.   This haplogroup split from an ancient ancestor shared with the O’Donaghues of Glenflesk, co. Kerry, about 800CE, represented by haplogroup A802.  O’Mahony, Moriarty and Dunaway are some other surnames that show as matches from branches of haplogroup A802, suggesting the Hartnetts of Limerick are a sept of Eóganacht Raithlind, a branch of the Eóganachta dynasty that ruled Munster from the 5th-10th centuries.  There are 10 equivalent haplogroups for Y245932, which could possibly represent 10 men spanning the 700 years between haplogroups A802 and Y245932.  Either Y245932 or one of the other equivalents could represent “Hartnett-1” / “hAirtnéada.”  

These results are an interesting start, but to identify “Hartnett-1” we need many more participants at the Big-Y level. 
 If Hartnett-1’s haplogroup can be identified, then we may have enough clues to search the ancient genealogies. 


November 2012
We also have encouraging results coming in from the FFT but too few participants to  draw conclusions other than to say that we should be seeing links between Abbeyfeale, Dromtrasna and Newcastlewest. Preliminary indicators are that the Harnett family are from the haplogroup R1b1a2.
September 2012
The 37 marker results for the first participant 248013 made available in September 2012 show the haplogroup R1b2 and the 67 marker results will be available in October, 2012. FamilyFinder results will also be available to this participant and one other. That will mean that there will be 7 participants who have known Hartnett ancestors who have FamilyFinder results.

It is to be hoped that many Hartnett/Harnett men will follow participant 248013 into the project, so please join in the research programme and also spread the word.

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