About the middle of Gigha is Dun Chifie, or Keefie’s Hill, which appears to have been a strong fortification. Keefie was the son of the King of Lochlin, and occupied this stronghold, where (according to tradition), he was slain by Diarmid, one of Fingal’s heroes, with whose wife he had run away.
p291 in ‘Glencreggan: Or, A Highland Home in Cantire’ by Cuthbert Bede (1861)
books.google.co.uk/books?id=TrQuAAAAIAAJ&pg=PA291
