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From:
Subject: Re: [DNA-R1B1C7] DNA-R1B1C7 Digest, Vol 1, Issue 5
Date: Sun, 3 Jun 2007 08:14:10 EDT



In a message dated 6/3/2007 7:59:29 A.M. Eastern Standard Time,
writes:


Your guess is as good as mine, maybe better. But I have yet to see a
single
Scottish clan of any size that is composed primarily of NW Irish. Some
claim the Robertsons are - but there are lots of non-matching Robertsons in
their
surname project. Instead the Scottish matches seem scattered here and
there
among different Scottish clans under different surnames.

That's just my impression, for what it's worth.

John





Chart and locations based on sample results from ‘A Y Chromosome Census of
the British Isles’ (2003). The names above indicate which Clan Donnachaidh
surnames are associated with this category of results.)

Haplo.
DYS 393
DYS 390
DYS 19
DYS 391
DYS 388
DYS 392
R1b
13
25
14
11
12
14
Results from the continental areas from which samples were taken for
comparison are on the far right: Basque country = blue; northern Germany/Denmark =
green; Norway = yellow.
This category covers people who match the Niall of the Nine Hostages
haplotype and others who come close. It will be noted that the results from
Castlerea in Ireland are strikingly high, whereas this combination was absent from
the Basque sample and was found at only very low frequencies in northern
Germany/Denmark and Norway.
The combination DYS390/391 = 25/11, particularly when combined with certain
other markers, has been noted as being strongly associated with Ireland.
It will be noted that this category is not found throughout Britain and,
outside Ireland, it is most strongly represented at between 4 and 8% in the
Western Isles, Stonehaven, Pitlochry and Oban, also in the Isle of Man and
Haverfordwest.
Within the Clan Donnachaidh results, this category has a number of 37
matches with other surnames, many Irish.
The proportion of participants who come into this category in the Clan
Donnachaidh results is substantially higher than in the total sample population
(15% of the Clan Donnachaidh result but only 2% of the total sample in Britain
and Ireland). Robertsons, Reids and Duncans are all found in this category.
It will be interesting to see whether it appears to have a wider
significance in the formation of the clan.




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