Hi: My name is Hartley Barclay, and I am a direct descendant of James Barkley (1729) of the Clinton Party. His son Samuel married a Catherine or Katherine McClaughry on 28 Dec. 1769. They had five children thru one of which I trace my line. So hello, distant CUZ probably 8 generations or more removed.
The best site, and as far as I can tell, the only site for info on the McClaughry's I found by accident using GOGGLE, and the words "George and Ann ship." Up came a 10 page document entitled "McClaughry Biography." It can also be reached by http://www.cp1237.com/mcclgen/mccbio1.htmhttp://www.cp1237.com/mcclgen/mccbio1.htm
I have a lot of information about the Barkleys prior to 1729, and some of it may be relevant to your McClaughry search. And given my recent discovery of this biography, it has provided a lot of clues as to where to look in Ireland. I am a retired New Yorker living now in Co. Clare, and one of these days soon I intend to go up to Co. Longford, and sniff around at Barkley?McClaughry roots. So if you have any questions you wish me to look for answers to over here on this side of the pond, please e-mail me directly at firstname.lastname@example.org.