DNA-R1B1C7-L Archives

From:
Subject: [DNA-R1B1C7] NW Irish DNA
Date: Wed, 25 Jul 2007 02:06:04 EDT

I've got a spreadsheet put together containing 108 DNA samples from six
Donegal families. These surnames were chosen specifically because there isn't
much doubt about their descent according to traditional Irish history. The
great majority of the samples are from the Doherty and McLaughlin DNA projects.


Doherty
McLaughlin
O'Gallagher
O'Boyle
O'Donnell
Cannon

What these families have in common is an historical descent from Nial 'of
the Nine Hostages', c. 405 A.D. The Dohertys, O'Donnells, O'Gallaghers,
O'Boyles and O'Cannons are all Cenel Conaill, said to descend from Conal gulban,
son of Nial. The McLaughlins are said to descend from his brother, Eoghan,
another son of Nial. If they did have a common ancestor in Nial, it should be
sometime around 380-450 AD. Trinity College arrived at a TMRCA of about 200
A.D.

Out of these 108 samples, the great majority are R1b1c7. Out of these 69
are 25 and better marker tests which might be suitable for Fluxus charts.

Nothing has been omitted here. All the Doherty data is present, including
non matching haplgroups (I, R1a, G, J2, R1b). The McLaughlin group includes
all of the samples with matching DNA which we believe represents the
MacLochlainn of Tirconnell sept in Ireland (Donegal). If there are non matching
Mclaughlins from Donegal (and probably not all R1b1c7) we don't know about it.
Most of our testees have no idea where they came from in Ireland or Scotland.
We do have some R1b1c7 McLaughlins in our project that do not match our
Donegal cluster group but not a single one has any real idea where their ancestors
came from. These have been omitted from the McLaughlin listings in the
spreadsheet.

Not being a DNA expert, it seems to me this DNA data could be used as some
kind of control group to measure other R1b1c7 against. Possibly to test an
hypothesis about the alleged descent from Nial - possibly to measure STR
diversity among other segments of R1b1c7. I'm sure the DNA experts on the list
would have their own ideas. This DNA should show results similar to the
Trinity DNA tests which included a greater variety of names from the same basic
families.

Trinity listed the following surnames from their test:

(O')Gallagher (12), (O')Boyle (9), (O')Doherty (5), O'Donnell (4), O'Connor
(3), Cannon (3), Bradley (2), O'Reilly (2), Flynn (2), (Mc)Kee (2), Campbell
(1), Devlin (1), Donnelly (1), Egan (1), Gormley (1), Hynes (1), McCaul
(1), McGovern (1), McLoughlin (1), McManus (1), McMenamin (1), Molloy (1),
O'Kane (1), O'Rourke (1), and Quinn (1).

Of these, O'Gallagher, O'Boyle, O'Doherty, Cannon, Bradley, Devlin, Don
nelly, Gormley, McLoughlin, McMenamin, O'Kane and Quinn are probably either
Cenel Conaill or Cenel Eoghain.

There are other samples on Yearch and Sorenson that might equally well be
surnames said to descend from Nial. I chose these in particular because all
are in NW Ireland and their historical descent is well known.


If anyone would like a copy of the spreadsheet, send me an email at
(mailto:) and I'll send a copy.


John D. McLaughlin









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