I have found myself discussing with a few kilted gents and ladies the origins of the infamous Ghillie / Highlander shirt

The consensus has been that these shirts have very little to do with actual historical garb.

I wish to put it out to our re-en actors, our historians, and our various kilt vendors to uncover the origin of these shirts.

What I am looking for is

What type of shirts did the Jacobites (and earlier Highlanders) wear?

When did the modern Ghillie / Highlander shirts first appear?

Cheers

Jamie