Information about Castleknock

Information from O'Donovan's Field Name Books

Standard Name:
Irish Form of Name:
Caisleán an Cnuic
castle of the hill
Civil Parish:
Ballynakille in the Barony of Killian
View all place names in this civil parish.
Other Forms of the Name with authority source (if provided) in italics:
Caisleán an Cnuic
Caisleán a' chnoic
Castle Knock By. Sketch Map
Castle Knock John N. Gerrard, Esq.
Castle Knock M. D. Bellew, Esq.
Castleknock Mr. Peter Geraghty
Castle Knock Robert Smythe, Esq.
Castle Knock Speed’s Map 1610
Castleknock Willm. Kilgannon, Esq.
This village consists of a few scattered houses in middling repair, with gardens attached. There is also an orchard of about 1 rood in extent.
Is situated in the South of this parish on the western extremity of the townland of Castlegar.

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
Castleknock is in Castlegar 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.)
This link is not a link to the townland that you are currently researching; however, if you follow this link, you will see a search box near the top of the page which you can use to search for your townland.
Having followed this link, you will see several expandable links - each link has a plus sign on its left - on the top left of the page. Expand 'Base Information and Mapping'. Now it is possible to select the maps that you wish to view by clicking on the checkbox that is on the left of each map; this list includes the original Ordnance Survey maps.
You can select more than one map and you can use a slider to make one map more transparent than another. This allows you to view what features were present or absent at different points in time.
(This map will display in a new window.)
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