Information about St. Grellan's Well

Information from O'Donovan's Field Name Books

Standard Name:
St. Grellan's Well
Irish Form of Name:
Tobar Ghrealláin
St. Grellan’s Well
Civil Parish:
Other Forms of the Name with authority source (if provided) in italics:
St. Grellan's Well
Tobar Ghrealláin
St. Grillaans Well
St. Grillaans Well Mr. John Sinclair, Inn Keeper, Tubbergrillaan
This well was consecrated by St. Grillaan who is patron Saint of the parish. There is a pattern and stations performed at it on the 29th Sept.
Situated in the Southern part of Tubbergrillaan townland about four chains ? W. of the road from Ballinasloe to Ahascragh.
Information from the Ordnance Survey Letters:
The Ordnance Survey Letters are letters between John O'Donovan and his supervisor, Thomas Larcom, regarding the work of compiling the Field Books. These letters provide further discussion on many of the places listed in the Field Books.
References to this place can be found in the following letter.
  • Volume 1 page 511 to page 512

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
St. Grellan's Well is in Tobergrellan 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.)
St. Grellan's Well
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