Checking with the Standing council of Scottish Chiefs I can find no current clan under the name Blaylock.
Checking my Clan and Sett sources I find the name Blaylock not associated with or a Sept of of any Scottish Clan.
This does not mean that your people did not come from Scotland. Nor does it imply that they were not at one time affiliated with a Clan.
Many lowlanders, although true Scots, were not part of the Clan system. Not everyone in the Highlands was either. But all were Scots.
There is a Tartan listed with The Scottish Tartans Authority under both the Blaylock and Blalak spellings.
The Blaylock Tartan is ITI #5925
"Designed by Dr Phil Smith in 1953 for Beverley Blaylock of Edmonton, Canada. Can be worn by all of the name and its spelling variations.
The Blalak Tartan is ITI #6642
"One of the entries in the tartan weaving competition at 'Covergence - Atlanta' in 1999 - probably observed by Dr. Phil Smith. 'Convergance - Atlanta' was the great bi-annual handweavers' convention held in various cities."
I hope this helps.
Steve Ashton
www.freedomkilts.com
Skype (webcam enabled) thewizardofbc
I wear the kilt because: Swish + Swagger = Swoon.
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