"At Dumfin on the northern banks of the "Froon"
around the summit of a round hill, are traces
of an ancient fortification. Tradition points to
it as a residence and stronghold of Fingal,
King of Morven. The name Dumfin is compounded
of Dun and Fin, and denotes the fort of Fin or
Fingal."
Dunbartonshire OS Name Books, 1860