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This unit contained the following units:
| Name | Type | Start | End | Authority |
|---|---|---|---|---|
| AGHAMORE | Irish Civil Parish | UK Government, Census of Ireland. 1851. General Alphabetical Index to the Townlands and Towns of Ireland (Dublin: HM Stationery Office, 1861), p. 906. | ||
| ANNAGH | Irish Civil Parish | UK Government, Census of Ireland. 1851. General Alphabetical Index to the Townlands and Towns of Ireland (Dublin: HM Stationery Office, 1861), p. 907. | ||
| BEKAN | Irish Civil Parish | UK Government, Census of Ireland. 1851. General Alphabetical Index to the Townlands and Towns of Ireland (Dublin: HM Stationery Office, 1861), p. 912. | ||
| CASTLEMORE | Irish Civil Parish | UK Government, Census of Ireland. 1851. General Alphabetical Index to the Townlands and Towns of Ireland (Dublin: HM Stationery Office, 1861), p. 914. | ||
| KILBEAGH | Irish Civil Parish | UK Government, Census of Ireland. 1851. General Alphabetical Index to the Townlands and Towns of Ireland (Dublin: HM Stationery Office, 1861), p. 928. | ||
| KILCOLMAN | Irish Civil Parish | UK Government, Census of Ireland. 1851. General Alphabetical Index to the Townlands and Towns of Ireland (Dublin: HM Stationery Office, 1861), p. 930. | ||
| KILMOVEE | Irish Civil Parish | UK Government, Census of Ireland. 1851. General Alphabetical Index to the Townlands and Towns of Ireland (Dublin: HM Stationery Office, 1861), p. 937. | ||
| KILTURRA | Irish Civil Parish | UK Government, Census of Ireland. 1851. General Alphabetical Index to the Townlands and Towns of Ireland (Dublin: HM Stationery Office, 1861), p. 940. | ||
| KNOCK | Irish Civil Parish | UK Government, Census of Ireland. 1851. General Alphabetical Index to the Townlands and Towns of Ireland (Dublin: HM Stationery Office, 1861), p. 940. | ||
| BALLAGHADERREEN | Irish Town | UK Government, Census of Ireland. 1851. General Alphabetical Index to the Townlands and Towns of Ireland (Dublin: HM Stationery Office, 1861), p. 40. | ||
| BALLYHAUNIS | Irish Town | UK Government, Census of Ireland. 1851. General Alphabetical Index to the Townlands and Towns of Ireland (Dublin: HM Stationery Office, 1861), p. 85. | ||
| KILKELLY | Irish Town | UK Government, Census of Ireland. 1851. General Alphabetical Index to the Townlands and Towns of Ireland (Dublin: HM Stationery Office, 1861), p. 562. | ||
| NEWTOWN DILLON | Irish Town | UK Government, Census of Ireland. 1851. General Alphabetical Index to the Townlands and Towns of Ireland (Dublin: HM Stationery Office, 1861), p. 741. |
This unit was part of the following units:
| Name | Type | Start | End | Authority |
|---|---|---|---|---|
| MAYO | Irish County | UK Government, Census of Ireland. 1871. Alphabetical index to the Townlands and Towns of Ireland (Dublin: HM Stationery Office, 1877), p. 752. |
If the boundaries of the Barony changed over time, this map will show all the different boundaries.
How to reference this page:
GB Historical GIS / University of Portsmouth, Costello Barony through time, A Vision of Ireland through Time.
URL: https://www.visionofireland.org/unit/12843239
Date accessed: 09th April 2026