You'll probably get a variety of opinions on this, but in the end its your choice. As long as the tartan in question is not registered as a private use, there is no law that says you can't wear whatever you want. As was already said: "go for it" & wear it with pride!
[SIZE="2"][FONT="Georgia"][COLOR="DarkGreen"][B][I]T. E. ("TERRY") HOLMES[/I][/B][/COLOR][/FONT][/SIZE]
[SIZE="1"][FONT="Georgia"][COLOR="DarkGreen"][B][I]proud descendant of the McReynolds/MacRanalds of Ulster & Keppoch, Somerled & Robert the Bruce.[/SIZE]
[SIZE="1"]"Ah, here comes the Bold Highlander. No @rse in his breeks but too proud to tug his forelock..." Rob Roy (1995)[/I][/B][/COLOR][/FONT][/SIZE]