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From:
Subject: Re: [R-M222] Origin of M222
Date: Fri, 9 Jan 2009 21:55:04 EST


In a message dated 1/9/2009 1:02:49 P.M. Central Standard Time,
writes:

Except that you know I meant NW Ireland and not NE Ireland, as I was
responding to the statement by the writer that

Alan was referring in his post to the two known migrations of Irish to
Scotland or England. One is of course the Irish Dal Riata from the NE (Antrim).
The other is the less well known migration of several Leinster/Munster tribes
into Cornwal and Wales. His point was that neither area in Ireland is a
hotbed of M222 and therefore these migrations cannot be used to explain the
presence of M222 in either Cornwal and Wales or in Argyllshire. He said he would
feel more comfortable in thinking that M222 originated in Ireland if M222
did come to these locations as part of known migrations. But we don't find it
particularly strong in any of these locations.

If M222 did originate in Ireland it was probably in Connacht (somewhere).
It did not migrate into NW Ireland until about 400-450 AD. That seems to be
the current thinking of Irish historians. That would agree with the current
thinking of most DNA experts as well. The alternative is O'Rahilly's
theories about M222 coming to Ireland from Gaul and establishing itself first in the
midlands before branching out into Connacht and the NW. Tom O'Connor of the
Truroe book appears to have come up with yet another theory about the
Connachta (Belgae from Gaul). I have no idea yet if his theory has any support
among Irish historians or if he's just another enthusiastic amateur.

Some of us have already tried checking genetic distance for Irish vs.
Scottish M222 samples. Nothing conclusive seems to come from this. No group seems
obviously older or more diverse than another. it almost seems to me as if
there were some kind of common origin in both Ireland and Scotland around the
first century A.D. or at least prior to the time of Nial (400 AD). I know of
no historical migration one way or the other that might explain that.


John





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