The English translation of the name is the Island of the Green Cloak derived from the layer of grass present on the top.

[7] On Wednesday, November 24, 1841, a schooner called the James Cook was hit by a gale and struck some rocks near Glashedy Island and broke up.

The Coastguard from Rockstown, Urris managed to reach the island after two days, when the survivor was rescued in an emaciated and exhausted state.

[8] In January 1845, a ship called the Harmony was shipwrecked after she hit the rocks around Glashedy island.

[9] In February 1893, a group of young men took a trip out to the island, but became stranded when the weather became stormy.

Eventually, experienced boatmen led by Patrick Quigley from the Isle of Doagh managed to reach the island in the evening and rescued the beleaguered day-trippers.

[10] During the 19th and early 20th century, the Island was used as a hide-out for making illegally distilled Poitin.

They also found a large quantity of distilling machinery in a cave which served a still-house.

The Island is referenced in the short story Soft Rain by Trisha McKinney, which was short-listed in the 2013 Bord Gais Energy Irish Book Awards.