I think that is a clear case of projection - its very hard to find any evidence of the Scots fighting for independence once James IV became the King of England; most of the revolts were over who was ruling England or the UK (as in the campaigns in the 17th century, and the 1715 and '45). The Irish on the other hand had a few goes at it, but even there its questionable whether "freedom" was more of a goal than just getting rid of the English and their religious discrimination.
I don't know what those people were like before leaving Britain, but they were certainly interested in living a life not being told what to do by others by the time they hit America.
Maybe not "freedom loving" in the vein of wanting everyone to have their own nation, but certainly very much interested in not being told what to do by others. Whether or not that's "freedom loving" depends on your point of view (and whether or not you're being told to eff off or telling someone to eff off).
Like Mtnbkr said, they colonized Ireland then the United States, getting as far as Arkansas and texas
My ancestors killed a lot of Indians and Redcoats
So not that freedom-loving, then.
Not so much the Indian killing, that's plain ol' murder, but certainly killing Redcoats in the late 1700s counts as freedom-loving. Again, depends on if you're being told to eff off or are doing the telling. :)
My ancestors were likely mixing with Indians (based on family movements up till the early 20th century) when they weren't killing Redcoats (if they did the latter at all, our records back that far are hazy).
Chris