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Sites and Monuments Record · Ireland

Enclosure

Levallyroe (Costello By.), County Mayo, Ireland

Ordnance Survey six-inch map, 2nd edition (1888–1915) covering the location of Enclosure, Levallyroe, County Mayo, with a pin at the register's coordinates
Ordnance Survey six-inch map, 2nd edition (1888–1915), covering this location. Courtesy of the National Library of Scotland. The pin is ours, placed from the register's coordinates.

The record

Townland
Levallyroe (Costello By.)
County
Mayo
Country
Ireland
First-edition OS map
Not indicated
Latest-edition OS map
Not indicated
Coordinates
53.70623, -8.76210
SMR number
MA103-035----

Slide toward Today to fade the historical sheet and see the modern map underneath.

David Rumsey Map Collection, Stanford Libraries

4 historical maps cover this location, the earliest the 1753 map "Mappa geographica Regni Hiberniae" (David Rumsey Map Collection, Stanford Libraries).

Historical maps covering this location

  • 1753 · Mappa geographica Regni Hiberniae (David Rumsey Map Collection, Stanford Libraries)
  • 1790 · Composite: Ireland. (David Rumsey Map Collection, Stanford Libraries)
  • 1869 · Ireland. (David Rumsey Map Collection, Stanford Libraries)
  • 1891 · Ireland 16 (David Rumsey Map Collection, Stanford Libraries)

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This record in the National Monuments Service's Historic Environment Viewer ↗

The National Monuments Service's description

In a pasture field, bordered at E and S by the junction of two roads. The terrain is gently undulating with a gradual fall of ground to S, and slight dip to N, with a wettish, rush-grown area at NW.
Shown on the 1838 OS 6-inch maps as a sub-rectangular field, with a rectangular house at the W corner, and bordered on the S and NE sides by roads; not shown on later map editions.
Knox (1911, 319-321) published a sketch plan and described a low trapezoidal platform defined by scarps, ‘enclosed by sides of which two are 85 [77m] and 88 yards [80m] long, and the third 58 yards [53m] from north to south’. The fourth side at NE measured 18 yards [16m]. There were slight traces of a shallow ditch in parts outside the enclosing scarp. Knox considered that it might have been a defensive work, with the scarps possibly ‘crowned by stockades or other defences.’
The remains consist of a grassy, slightly raised trapezoidal area defined by a partly levelled scarp (H 1.2m; Wth slope 3m) and at E and S by field fences bordered by the roads. The S side measures 72m; the NW side c. 60m; the short N side 18m; the E side 43m. The nature of this enclosure is uncertain; it appears to be simply the remains of an old field.

Compiled by: Jane O’Shaughnessy

Date of upload: 11 November 2022

Knox, H.T. 1911 The Croghans and Some Connacht Raths and Cashels. Journal of the Royal Society of Antiquaries of Ireland 41, 93-116, 205-40, 301-42.

Nearby in the register

Other entries of the same register within about three miles of this one, by straight line.

Sites and Monuments Record data: National Monuments Service, Government of Ireland, licensed under CC BY 4.0. Record text is reproduced unchanged. National Monuments Service, Government of Ireland · CC BY 4.0
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