What is recorded here

Devenish Island holds a roofless square chamber that an 1838 map called a church, though its northeast-southwest tilt and thick plastered walls suggest a house instead. The mislabelled chamber still stands beside a separate probable church, preserving the moment human measurement first shaped the place.

Devenish Island is recorded as a islet in County Mayo. Its open map record supplies this location and any linked names or public references.

Devenish Island is located in Lough Melvin, on the border of Counties Fermanagh and Leitrim in Ireland, not County Mayo. It is notable for its early Christian monastic site, Devenish Abbey, founded in the 6th century and known for its well-preserved round tower and ecclesiastical remains.