I don't think it would be a problem at all. Most Scots only know their own tartan.
Try here...

http://www.tartansauthority.com/tartan-ferret

Put your surname in and see what you get.

I put mine and it came up with..

If the search has produced a district tartan or two, then the records will have shown the origins or substantial connections of the name with that area.
MacLaren


If nothing is found or you don't like the tartan it suggests then wear what you want.