Quote Originally Posted by Dixiecat View Post

I also found a few clans that recognise the dress variant of their tartan.
Ruxton: www.dhs.kyutech.ac.jp/~ruxton/ruxtartans.html
Innes: www.boydhouse.com
Fraser: www.fraserchief.co.uk/tartans.html
MacGregor dress green is recognized by the chief, only for dance competitors. Elsewhere he writes, "We have never gone in for dress, undress, dress down, fancy dress, hunting or any other such descriptions..."

See Matt's blog & various references
From Clan Gregor, part 1
Part 2