I would say that yes, it is Trad. Copyright is another question. Has it been renewed? Maybe. We know that Midnight on the Water was written by Luke Thomasson, but it is still considered Trad. In a lot of circles, Rocky Top is Trad..........and still copyrighted. We know that O'Carolan wrote a lot of tunes, but they are considered Trad...........but NOT copyrighted.