PORTRUSH (Port Rois). AKA and see "Humors of Portrush." Scottish, Irish; Slip Jig. A Major. Standard tuning (fiddle). AABB. Portrush  is a small seaside resort town in County Antrim, Northern Ireland, on the County Londonderry border.
Source for notated version: Bernard Bogue (Counties Monaghan and Tyrone) [Breathnach].
Printed sources: Breathnach (CRÉ IV), 1996; No. 31, p. 19. Keegan (A Drop in the Ocean), 2004;. Kerr (Merry Melodies, vol. 3); No. 235, p. 26.