Information about Castle Island

Information from O'Donovan's Field Name Books

Standard Name:
Castle Island
Irish Form of Name:
Oileán a' Chaisleáin
Castle Island
Civil Parish:
Other Forms of the Name with authority source (if provided) in italics:
Castle Island
Oileán a' Chaisleáin
Illaunacushlan Local name
This belongs to Knockbaan townland.
In Ross Lake, N. of the parish.

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
Castle Island is in Knockbane townland.

Information From Maps

Original OS maps at the Ordnance Survey of Ireland website.
(Click on place name to view original map in new window.)
Below is a link to the Ordnance Survey of Ireland website. It displays the original OS map that was created in the 1840s.
(This information will display in a new window.)
Castle Island
Information from the National Monuments Service.
(This information will display in a new window.):
You can use this link to view a map of archaelogical features.
This link brings you to a website wherein you will have to search for your townland.
Archaeological map from the National Monuments Service