Other Forms of the Name with authority source (if provided) in italics:
Oilean Seaain mhóir
Illaun-chaun-wore Local
Description:
An island in Lough Mask.
Situation:
Situated in the townland of Treen.
Townland Information
What is a townland?:
A townland is one of the smallest land divisions in Ireland. They range in size from a few acres to thousands of acres. Many are Gaelic in origin, but some came into existence after the Norman invasion of 1169