42 NMS sites 42 within protection zone 90 listed buildings 4 of 9 archaeological periods

Athlone South is a barony of County Westmeath, in the historical province of Leinster (Irish: Baile Átha Luain Theas), a small barony covering less than 5 km² of land. The barony records 42 NMS archaeological sites and 90 NIAH listed buildings, placing it at around the 100th percentile among 280 ROI baronies for sites per km². This means it is in the top tenth of all baronies for sites per km². Dated archaeological evidence runs from the Iron Age through to the Post Medieval, spanning 4 of 9 archaeological periods, placing the barony in the 5th percentile among 280 ROI baronies for chronological depth. This means it is in the bottom tenth of all baronies for chronological depth. The largest dated subset of recorded sites dates to the Medieval.

Detailed boundary map of ATHLONE SOUTH barony, WESTMEATH
Athlone South boundary detail
Regional context map showing ATHLONE SOUTH barony within WESTMEATH
Athlone South in regional context

Heritage at a glance

Percentile rankings throughout this profile compare each barony only against the other 279 Republic of Ireland baronies.

42
Recorded NMS sites
100th percentile
42
Within protection zone
100.0% of recorded sites
90
NIAH listed buildings
46th percentile
< 5 km²
Barony area

The recorded heritage of Athlone South

The National Monuments Service Sites and Monuments Record (SMR) is the statutory inventory of archaeological sites for the Republic of Ireland, maintained by the Department of Tourism, Culture, Arts, Gaeltacht, Sport and Media. Sites recorded here include earthworks, ringforts, megalithic tombs, ecclesiastical remains, and post-medieval features; not every record is legally protected, but each is registered as a monument of archaeological interest.

The National Monuments Service records 42 archaeological sites in Athlone South, putting it at the 100th percentile among 280 ROI baronies for sites per km². This means it is in the top tenth of all baronies for sites per km². Protection coverage is near-universal — 42 sites (100%) fall within a recorded monument protection zone, indicating an extensively surveyed landscape. The dominant category is defensive sites — ringforts, enclosures, hillforts, and stone forts (3 sites, 7% of the record). Castle – unclassified is the most prevalent type, making up 5% of the barony's recorded sites (2 records) — well above the ROI average of 2% across all baronies where this type occurs. Castle – unclassified is a castle whose form cannot be precisely classified, dating somewhere between the late 12th and 16th centuries.

Most common monument types

Hover or tap a monument type to see its definition.

TypeCount
Castle – unclassified a castle whose form cannot be precisely classified, dating somewhere between the late 12th and 16th centuries 2

Chronological distribution

The dated archaeological record for Athlone South spans from the Iron Age through to the Post Medieval, with activity attested across 4 of 9 archaeological periods. This is the 5th percentile across ROI baronies — a relatively narrow chronological band, with much of Irish prehistory not represented in the dated record. Every period from earliest to latest is represented in the record — an unbroken sequence of dated activity across the full chronological span. Activity concentrates most heavily in the Medieval (9 sites, 45% of dated material), with the Early Medieval forming a secondary peak (5 sites, 25%). A further 22 recorded sites (52% of the overall NMS register for the barony) carry no period attribution — appearing as 'Unknown' in the bar chart below. This typically reflects either records that pre-date the standardised period vocabulary or sites awaiting specialist dating review, rather than a genuine absence of chronological evidence.

Mesolithic
0
Neolithic
0
Early Bronze Age
0
Middle Late Bronze Age
0
Iron Age
1
Early Medieval
5
Medieval
9
Post Medieval
5
Modern
0
Unknown
22

Sample of recorded monuments

Show 25 sample monuments (of 42 total)

A representative sample of 25 recorded monuments drawn from the barony’s 42 total NMS entries. Sites within a recorded monument protection zone and rarer site types are prioritised so the list shows a meaningful cross-section rather than only the most common type. Each entry shows the official Sites and Monuments Record reference number and the description published by the National Monuments Service.

Battery

SMR WM029-010—-RanelaghProtected

Napoleonic fortification situated in rough pasture (45m/146ft OD), at a strategic location 150m W of the River Shannon as it flows from Lough Ree into Athlone town. Athlone Canal 40m to W. Annotated 'Battery' on the…

Fortification

SMR WM029-011—-BellaughProtected

Napoleonic fortification situated in a modern housing estate on the NW side of Athlone town, on an elevated site, abutting Athlone Canal to E and the River Shannon 475m to E. Annotated 'Ordnance Ground' and depicted on…

Castle – Anglo-Norman masonry castle

SMR WM029-042002-Athlone And BigmeadowProtected

National Monument No. 520. Athlone Castle was built as a Royal Castle in 1210 to control an important fording point over the River Shannon which may have had a pre-Norman fortification (WM029-042098-) at this location.…

Religious house – Cluniac monks

SMR WM029-042003-Athlone SouthProtected

The priory of Athlone appears to have been known by several names including the priory of Saints Peter and Paul, the monastery de Innocentia and the priory of St. Peter and Benedict. This priory was the only Cluniac…

Bridge

SMR WM029-042004-Athlone,Athlone And BigmeadowProtected

The present town of Athlone developed around the Anglo-Norman stone castle (WM029-042002-) and medieval bridge which offered a crossing point over the River Shannon connecting the medieval kingdom of Connacht to the…

Historic town

SMR WM029-042—-Loughnaskin,Athlone,Athlone And Bigmeadow,Golden IslandProtected

The following description of Athlone has been mainly taken from the Urban Survey of Co. Westmeath (Bradley et. al. 1985, 20-49). The town sits astride the River Shannon just south of Lough Ree and is located on top of a…

Stone head (present location)

SMR WM029-042052-Athlone And BigmeadowProtected

On display in Athlone Castle Museum. Keystone of an archway into which has been set the medieval head of a tonsured cleric possibly of granite, with the words "St. Peter's Port" and initials 'I.B'. 'I.B' refers to a man…

Sheela-na-gig (present location)

SMR WM029-042053-Athlone And BigmeadowProtected

On display in Athlone Castle Museum. Abraded sandstone squatting figure (dims. H 0.4m; Wth 0.21m; Wth 0.21m; D 0.2m). The hands are clasped around the legs which are drawn up under the chin and the vulva or anus is…

Cross – Wayside cross

SMR WM029-042059-Athlone,Athlone And BigmeadowProtected

Fragment of a possible 17th century wayside cross (dims. H 0.43m; Wth 0.42m; D 0.17m) located outside Athlone Castle Museum. Decorated in low false relief with quarter of a ringed cross having incised crosses on the…

Barracks

SMR WM029-042078-Athlone And BigmeadowProtected

Custume Barracks. Temporary accommodation for 1000 cavalry and 1500 infantry built in 1691. Cavalry stables, riding house, infantry barracks of four blocks built c. 1697 and demolished by 1793 (Murtagh 1994, 10-11).…

Weir – fish

SMR WM029-042081-Athlone,Athlone And BigmeadowProtected

In the late 12th or early 13th century the fish weirs of Athlone were built by the monks of St Peter and Paul's Priory (WM029-042003-). These fish weirs were taken into the possession of the Crown in the early 13th…

Architectural fragment

SMR WM029-042083-Athlone And BigmeadowProtected

Four architectural fragments, including a male and female stone head, located in the Athlone Castle Museum (one of the pieces is located just outside the entrance to the museum beside a milestone). Exact date or…

Stone head

SMR WM029-042085-Athlone And BigmeadowProtected

Currently in Athlone Museum. Carved stone head of uncertain date discovered at Hodson Bay. Slight damage to the nose. On loan from the Lenihan family, Athlone. Original location – Co. Roscommon. See RO049-011—- for…

Architectural feature

SMR WM029-042086-Athlone And BigmeadowProtected

On the premises of Sean's Bar (WM029-042086-), 13 Main Street, is a late medieval stone built fireplace from a house on an island in Lough Ree (Bradley et. al. 1985, 28).

Compiled by: Rachel Barrett

Date of…

Inn

SMR WM029-042087-Athlone And BigmeadowProtected

'Sean's Bar' was originally a two storey high building with thick walls, an additional third storey in brick was added later. Preserved on the premises is a section of wattle partition removed from a first floor wall.…

Inscribed stone (present location)

SMR WM029-042088-Athlone And BigmeadowProtected

On display in Athlone Castle Museum. One of two stones (WM029-042089-) (dims. H 0.35m, Wth 0.46m, D 0.15m) removed from gateway to St. Peter's Port (see also WM029-042089-). The inscription reads 'WILL O' WISP AND JACK…

Sheela-na-gig

SMR WM029-042091-AthlonemedievalProtected

On display in Athlone Castle Museum (WM029-042053-). Figure formerly placed above gateway of laundry belonging to the Convent at St Peter's Port (Guest 1936, 113; McMahon and Roberts 2001, 113). Abraded sandstone…

Castle – motte

SMR WM029-042099-AthlonemedievalProtected

The Kingdom of Míde [Meath] was granted to Hugh de Lacy in 1172 (Mills and McEnery 1916, 177) and the process of sub-infeudation and settlement began soon afterwards but it is unlikely that any effective inroads were…

Water mill – unclassified

SMR WM029-042100-Athlone And BigmeadowProtected

One of three mills (WM029-042079-; WM029-042080-) built onto the S face of the 16th century bridge (WM029-042004-) of Athlone. This mill was located at the W end of the bridge built onto the S face of the final arch of…

Castle – unclassified

SMR WM029-042060-AthlonemedievalProtected

The castle known as Cox's Castle (Murtagh 1994, 10) is depicted on Thomas Sherrard's map of Athlone dating from 1784 where it is shown located on the corner of St. George's Lane now Excise St. (RCB Ms. 151; Murtagh…

Castle – unclassified

SMR WM029-042076-Athlone And BigmeadowmedievalProtected

No surface remains visible of a medieval tower known as the Connacht tower which was located to the N of Athlone Castle (WM029-042002-). This building appears to have been a feature of the west town defences on the…

Armorial plaque (present location)

SMR WM029-042038-Athlone And BigmeadowProtected

Armorial plaque from the house of John Waple dating from 1621. Currently on display in Athlone Castle Museum. Rectangular block of limestone originally from Church Street. Carved in false relief with a heater shaped…

Armorial plaque (present location)

SMR WM029-042039-Athlone And BigmeadowProtected

Unidentified Heraldic Plaque. Seventeenth century. Currently on display in Athlone Castle Museum. Rectangular limestone plaque with heater-shaped shield and mantling similar to WM029-047—-. Removed from Hogan's on…

Armorial plaque (present location)

SMR WM029-042040-Athlone And BigmeadowProtected

Amorial plaque that is now on display in Athlone Castle Museum may be the Dillon memorial recorded in the Urban Survey of Athlone (Bradely et. al. 1982, 28). According to Bradley a stone mural tablet carrying the…

Armorial plaque

SMR WM029-042009-Athlone,Athlone And BigmeadowProtected

In National Museum of Ireland. Rectangular. Carved in high relief with a male demi-figure in a narrow-waisted armour of lames with cowters at the elbows. He holds a sword in an upright position in his right hand and his…

Listed buildings

The National Inventory of Architectural Heritage (NIAH) is a state survey appraising buildings of architectural, historical, archaeological, artistic, cultural, scientific, social, or technical interest. Each surveyed structure receives a rating from International (the highest, for buildings of European importance) through National, Regional, Local, and Record-Only.

The NIAH records 90 listed buildings in Athlone South (46th percentile across ROI baronies). The highest-graded structures include 4 of National significance. The Republic holds 937 National-graded buildings in total, so this barony accounts for around 0% of the national total. Construction dates concentrate most heavily in the Victorian (1830-1900) period. The most-recorded building type is house (32 examples, 36% of the listed stock).

Terrain and environment

Mean elevation across the barony is 38m — the 10th percentile among 280 ROI baronies for elevation. This means it is in the bottom fifth of all baronies for elevation. This is a relatively low-lying landscape by ROI standards. Elevation matters for heritage because higher-altitude baronies typically favour defensive monuments — ringforts and hilltop forts placed on prominent ground — while lowland baronies are more likely to carry the dense settlement and church networks of intensive agricultural landscapes. Mean slope is 2.3° — the 20th percentile among 280 ROI baronies for slope. This means it is in the bottom third of all baronies for slope. This is broadly flat terrain, the kind of landscape best suited to intensive agriculture. Slope is a key control on both land use and archaeological preservation: steep ground resists ploughing and tends to preserve earthworks intact, while gentle slopes favour intensive cultivation that damages or destroys surface archaeology over time. The Topographic Wetness Index averages 11.6, the 80th percentile among 280 ROI baronies for wetness. This means it is in the top fifth of all baronies for wetness. This is wet, slow-draining ground by ROI standards — the kind of landscape that may carry waterlogged archaeological sites of unusual preservation value. Drainage matters for heritage because poorly-drained ground preserves organic archaeology (wooden trackways, leather, textiles, and on rare occasions human remains) far better than free-draining soil; well-drained ground favours arable use but destroys organic material rapidly. Urban land covers 26% of the barony (the 98th percentile among 280 ROI baronies for urban cover. This means it is in the top tenth of all baronies for urban cover). Heavy urban coverage compresses heritage analysis: many archaeological features have been buried or destroyed by development, but the surviving record is concentrated in protected city-centre cores, and the NIAH listed-buildings count is typically high. The land-cover mosaic combines improved grassland (46%), urban land (26%), and woodland (20%), giving a mixed agricultural and semi-natural landscape. In overall character, this is low-lying, gently-sloping terrain — characteristic of Ireland's central plain and coastal lowlands, with land use dominated by improved grassland.

Terrain measurements

Mean elevation37.9 m
Max elevation52.1 m
Mean slope2.3°
Wetness index (TWI)11.61 80th pct
Grassland46.5%
Woodland19.7% 73rd pct
Cropland1.6%
Urban land26.4% 98th pct

Where this barony sits in the Republic of Ireland

Drainage
80th
Woodland
73rd

Geology and preservation

Bedrock geology shapes the landscape long before any settlement begins — controlling soil drainage, agricultural potential, the survival of upstanding monuments, and the preservation of buried archaeology. The figures below come from the Geological Survey Ireland 1:100,000 bedrock map.

The bedrock underlying Athlone South is predominantly limestone (100% of the barony by area), laid down during the Carboniferous period (100% by area, around 359 to 299 million years ago). Limestone is the most heritage-rich bedrock in Ireland. It supports fertile, well-drained soils that favoured dense Early Medieval settlement and Norman manorial agriculture, and it weathers into karst features — sinkholes, caves, swallow holes, and souterrains — that frequently carry archaeology. Where peat overlies limestone, organic preservation can be exceptional. The single largest mapped unit is the Waulsortian Limestones (100% of the barony's bedrock). With only 1 distinct rock type mapped, the barony is geologically uniform compared to the rest of the Republic (5th percentile for diversity) — a single coherent bedrock landscape.

Dominant geological periodCarboniferous (100%)
Dominant rock typeLimestone (100%)
Mapped formations1
Distinct rock types1 5th pct for diversity

Largest mapped unit: Waulsortian Limestones (100% of the barony)

Placename evidence

Logainm records 9 placenames for Athlone South, but none carry the diagnostic Gaelic roots tracked by the heritage classifier — defensive (ráth-, lios-, dún-, caiseal-), ecclesiastical (cill-, teampall-, domhnach-), burial-ritual, or Norse-contact terms. The barony's townland names appear to draw on the more generic Gaelic landscape vocabulary (baile-, cnoc-, gleann-, droim-) which is common throughout Ireland and carries no specific heritage-period signal.

About this profile

Click any section below to expand.

What is a barony?

A barony is a historic administrative unit in Ireland, broadly equivalent to an English hundred. The 280 baronies used here are from the OSi 2019 National Statutory Boundaries (generalised 20m), covering the 26 counties of the Republic of Ireland. Baronies derive from the Norman period, were formalised in the 17th century, and have not been redrawn for statistical purposes. They vary enormously in area, from compact urban baronies in Dublin to vast upland baronies in Connacht, and should not be compared by raw site count without accounting for area differences.

What counts as a site?

This profile combines three distinct heritage registers, each with its own definition of what constitutes a recordable site:

  • Archaeological sites (NMS). The National Monuments Service Sites and Monuments Record (SMR) catalogues every known archaeological monument or site of archaeological interest in the Republic, from prehistoric burial mounds and ringforts to medieval churches and post-medieval defensive works. Inclusion does not require legal protection — only that the site has been identified, surveyed, and assessed as having archaeological value. A separate subset of these sites lies within a recorded protection zone, which gives them statutory protection under the National Monuments Acts.
  • Listed buildings (NIAH). The National Inventory of Architectural Heritage records buildings of architectural, historical, archaeological, artistic, cultural, scientific, social, or technical interest. Each surveyed structure is appraised on a five-tier scale: International, National, Regional, Local, and Record-Only. The NIAH appraisal is informational rather than strictly statutory, but it underpins local-authority Record of Protected Structures (RPS) listings.
  • Heritage placenames (Logainm). Logainm is the authoritative database of Irish placenames maintained by the Placenames Branch. This profile applies a heritage-diagnostic classifier to the Irish-language form of each townland name, flagging roots that signal defensive sites (ráth-, lios-, dún-, caiseal-, cathair-), ecclesiastical foundations (cill-, teampall-, domhnach-, mainistir-), prehistoric burial-ritual features (tuaim-, carn-, leaba-), or Norse-contact settlement (gall-). Townlands without one of these diagnostic roots are not flagged here — they may still carry historical significance, but that significance is not encoded in the name itself.
Editorial principles

The narrative sections of this profile follow several explicit principles:

  • Evidential. Every claim about this barony’s heritage character is anchored in the underlying register data. Where a site count, a placename count, or a percentile rank is cited, it is computed from the source datasets at export time, not estimated.
  • Comparative. Counts and metrics are reported alongside their percentile rank against the other 279 ROI baronies. A barony with 50 ringforts in absolute terms could be unusually high or unusually low depending on its size and regional context; percentile ranking removes that ambiguity.
  • Transparent on limits. Where a register has known coverage gaps, survey biases, or data-quality issues that affect this barony’s figures, the profile flags them rather than presenting the numbers as definitive.
  • No interpretation beyond what the data supports. The narrative does not speculate about historical events, social dynamics, or cultural meaning beyond what the recorded heritage and placename evidence directly attests.
Data caveats and limits
  • NMS Sites and Monuments Record is the product of survey campaigns conducted at different intensities across different counties and decades. Some baronies have been surveyed more thoroughly than others, and absolute counts should be read in that light. Sites destroyed by development before survey are typically not represented; sites in heavily forested or upland terrain are sometimes under-recorded.
  • NIAH coverage is broadly complete for the Republic of Ireland but the survey was conducted on a rolling county-by-county basis, and the most recent appraisal date varies. Buildings demolished or substantially altered after their original survey may still appear in the register; conversely, recent buildings of merit may not yet have been appraised.
  • Logainm classification applies a deliberately conservative pattern-matching approach to the Irish-language townland forms. The classifier prioritises true positives over recall: a townland may carry a heritage signal that the classifier doesn’t recognise, particularly where the diagnostic root has been heavily anglicised or where the townland name draws on a less common term. The 60,000+ townland records and ~9,800 classified placenames give a substantial signal at barony scale, but individual townland names should be checked against Logainm directly for definitive interpretation.
  • Period attribution. The chronological distribution reflects only those NMS sites that carry a recognised period attribution in the source data. Sites listed as “Unknown” period are excluded from the dated subset.
  • Boundary changes. Some baronies have undergone minor boundary adjustments since their 19th-century definition; the OSi 2019 generalised boundaries used here are the current statutory definition and may differ slightly from historical maps in border areas.
  • Bedrock geology is mapped at 1:100,000 scale, which means local variation within a barony — small pockets of different rock type, mineral veins, alluvium overlying bedrock — is generalised. The dominant-system and rocktype figures are area-weighted, so a barony reading “70% Carboniferous limestone” may still contain small but archaeologically important pockets of older or younger rock. Around 3% of GSI polygons do not match the lexicon and contribute no rocktype or system attribution.
Data sources
  • National Monuments Service — Sites and Monuments Record (SMR)
    Contributes archaeological site records, classifications, periods, and recorded protection-zone status.
    © Department of Housing, Local Government and Heritage · Licence: Open data, Creative Commons Attribution 4.0 (CC BY 4.0)
    https://data.gov.ie/dataset/national-monuments-service-archaeological-survey-of-ireland
  • National Inventory of Architectural Heritage (NIAH)
    Contributes listed-building records and architectural-significance grades.
    © Department of Housing, Local Government and Heritage · Licence: Open data, Creative Commons Attribution 4.0 (CC BY 4.0)
    https://data.gov.ie/dataset/national-inventory-of-architectural-heritage-niah-national-dataset
  • Logainm — Placenames Database of Ireland
    Contributes Irish-language and English townland names, civil parish associations, and barony assignments for the heritage-placename classifier.
    © Government of Ireland, Placenames Branch · Licence: Creative Commons Attribution-NoDerivs 3.0 Ireland (CC BY-ND 3.0 IE)
    https://www.logainm.ie/
  • Ordnance Survey Ireland — National Statutory Barony Boundaries 2019
    Contributes the canonical 280 barony boundaries (generalised 20m).
    © Ordnance Survey Ireland / Government of Ireland · Licence: Open data, Creative Commons Attribution 4.0 (CC BY 4.0)
    https://data-osi.opendata.arcgis.com/
  • EURODEM — European Digital Elevation Model
    Contributes elevation, slope, and topographic-wetness statistics, plus the hillshade rendering on each barony’s topographic map.
    © Maps for Europe · Licence: Open data
    https://www.mapsforeurope.org/datasets/euro-dem
  • ESA WorldCover
    Contributes land-cover classifications for grassland, woodland, cropland, wetland, urban, and water statistics.
    © European Space Agency · Licence: Creative Commons Attribution 4.0 (CC BY 4.0)
    https://esa-worldcover.org/en
  • Geological Survey Ireland — 1:100,000 Bedrock Geology
    Contributes bedrock geological data: dominant geological system (Carboniferous, Devonian, etc.), rock-type composition, and formation-level mapping, with the GSI Bedrock Lexicon providing descriptive attributes.
    © Geological Survey Ireland · Licence: Open data, Creative Commons Attribution 4.0 (CC BY 4.0)
    https://www.gsi.ie/en-ie/data-and-maps/Pages/Bedrock.aspx

Explore more: Search any of the 280 ROI baronies, browse by historical province, or read the methodology and data sources for the full Republic of Ireland Heritage Tool.

Spotted an error? This dataset is updated continuously. Email contact@danielkirkpatrick.co.uk with corrections, missing records, or suggestions for improvement.