denmcdough,

I am Scots-Irish. The choice between a PC and a Brian Boru is a matter of style and personal preference. I personally don't like either jacket. I prefer a simpler mess style jacket.

seanachie,

As I understand it, the Brian Boru and Kilkenny jackets are a recent development and have no significant history. I don't think offering these jackets is an attempt to fool anyone. Just a desire to give Irish kilt wearers the option of wearing something besides a Scottish style jacket.