422 NMS sites 403 within protection zone 183 listed buildings 6 of 9 archaeological periods

Offaly East is a barony of County Kildare, in the historical province of Leinster (Irish: Uíbh Fhailí Thoir), covering 190 km² of land. The barony records 422 NMS archaeological sites and 183 NIAH listed buildings, placing it at around the 62nd percentile among 280 ROI baronies for sites per km². This means it is in the upper half of all baronies for sites per km². Dated archaeological evidence runs from the Early Bronze Age through to the Modern, spanning 6 of 9 archaeological periods, placing the barony in the 9th 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 Early Bronze Age.

Detailed boundary map of OFFALY EAST barony, KILDARE
Offaly East boundary detail
Regional context map showing OFFALY EAST barony within KILDARE
Offaly East in regional context

Heritage at a glance

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

422
Recorded NMS sites
62nd percentile
403
Within protection zone
95.5% of recorded sites
183
NIAH listed buildings
74th percentile
190 km²
Barony area

The recorded heritage of Offaly East

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 422 archaeological sites in Offaly East, putting it at the 62nd percentile among 280 ROI baronies for sites per km². This means it is in the upper half of all baronies for sites per km². Protection coverage is near-universal — 403 sites (96%) fall within a recorded monument protection zone, indicating an extensively surveyed landscape. The record is dominated by burial and ritual monuments — barrows, cairns, and megalithic tombs (122 sites, 29% of the total), with defensive sites forming a substantial secondary presence (88 sites, 21%). Barrow – ring-barrow is the most prevalent type, making up 15% of the barony's recorded sites (65 records) — well above the ROI average of 3% across all baronies where this type occurs. Barrow – ring-barrow is a Bronze/Iron Age burial monument: a low circular area enclosed by ditch and outer bank. Other significant types include Enclosure (56) and Mound (24). Enclosure is a banked or ditched feature of uncertain type, used as a catch-all where the original function cannot be determined from surface evidence; Mound is an artificial earthen elevation of unknown date and function that cannot be classified as another known monument type. Across the barony's 190 km², this gives a recorded density of 2.22 sites per km².

Most common monument types

Hover or tap a monument type to see its definition.

TypeCount
Barrow – ring-barrow a Bronze/Iron Age burial monument: a low circular area enclosed by ditch and outer bank 65
Enclosure a banked or ditched feature of uncertain type, used as a catch-all where the original function cannot be determined from surface evidence 56
Mound an artificial earthen elevation of unknown date and function that cannot be classified as another known monument type 24
Ringfort – rath an earthen ringfort enclosed by a bank and external ditch — the most common Early Medieval farmstead, broadly dated 500–1000 AD 20
Church a building used for public Christian worship, of any date from c. 500 AD onwards 13
Burial an isolated interment of human or animal remains, not associated with a formal burial ground 13
Graveyard a burial area associated with a church, in use from the medieval period onwards 12

Chronological distribution

The dated archaeological record for Offaly East spans from the Early Bronze Age through to the Modern, with activity attested across 6 of 9 archaeological periods. This is the 9th percentile across ROI baronies — a relatively narrow chronological band, with much of Irish prehistory not represented in the dated record. The record is near-continuous, with only the Post Medieval period falling inside the span without any recorded sites. Activity concentrates most heavily in the Early Bronze Age (113 sites, 37% of dated material), with the Early Medieval forming a secondary peak (77 sites, 25%). A further 114 recorded sites (27% 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
113
Middle Late Bronze Age
20
Iron Age
71
Early Medieval
77
Medieval
25
Post Medieval
0
Modern
2
Unknown
114

Sample of recorded monuments

Show 25 sample monuments (of 422 total)

A representative sample of 25 recorded monuments drawn from the barony’s 422 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.

Hillfort

SMR KD022-001001-Dunmurry Westiron_ageProtected

Outline of hillfort clearly visible on oblique aerial photograph (CUCAP AHL092) taken 26/06/1963. The upper portion of Dunmurry Hill (OD 769 feet) is girdled by a very poorly preserved, low, broad, grassed-over stoney…

Historic town

SMR KD022-029001-Greyabbey,Kildare,Tully East,Tully WestProtected

On a low ridge at the W-edge of the Curragh. According to Bradley et al. (1986 vol. 3, 196-265), the name Kildare is derived from Cill Dara, ‘the church of the oak’, a tree which, according to the 7th century writer…

Castle – Anglo-Norman masonry castle

SMR KD022-029004-KildareProtected

Stands between Nugent St. to the W and Cox’s Lane to the E. Gatehouse on E side of Anglo-Norman poygonal shaped enclosure castle was converted into a tower house in the 15th century which now stands in the car park of…

Cathedral

SMR KD022-029005-KildaremedievalProtected

Near the centre of a graveyard (KD022-029003-), just NW of the Market Sq. According to Bradley et al. (1986 Vol. 3, 217-21), St. Brigid's Cathedral is the successor to the pre-Norman church of Kildare. It consists of a…

Religious house – Franciscan friars

SMR KD022-029006-KildareProtected

In a graveyard (KD022-029067-) on low-lying ground to the SW of Kildare town (KD022-029001-). A possible holy well (KD022-030—-) lies outside the graveyard’s W wall. A Franciscan friary, the precise foundation date of…

Religious house – Carmelite friars

SMR KD022-029007-KildareProtected

Located to the WNW of St. Brigid’s Cathedral (KD022-029005-) in a graveyard (KD022-029061-). The Carmelite Priory of St Mary, founded by William de Vesci in 1290. In 1539 it consisted of a church, belfry, dormitory,…

Town defences

SMR KD022-029009-KildareProtected

According to Bradley et al. (1986 vol. 3, 213), a charter of 1515 authorised the burgesses of Kildare to enclose the town with a stone wall and a fosse, for which a murage grant was provided. Thomas (1992, 125) suggests…

Round tower

SMR KD022-029020-Kildareearly_christianProtected

In the NW sector of a graveyard (KD022-029003-), c. 30m NW of St. Brigid's Cathedral (KD022-029020-). According to Bradley et al. (1986 Vol 3, 222), the base and lower courses of the tower are built of evenly coursed…

Cross – High cross

SMR KD022-029021-KildareProtected

In the SW sector of a graveyard (KD022-029003-), to the SW of St. Brigid’s Cathedral (KD022-029005-). According to Bradley et al. (1986 Vol 3, 224-5), a damaged undecorated, ringed, granite cross-head, the upper portion…

Castle – motte

SMR KD022-029025-KildaremedievalProtected

Acording to Bradley et al. (1986 Vol. 3, 211-12), Rocque's map of Kildare town (1757) shows a mound to the SW of the Anglo Norman masonry castle (KD022-029004-). This may have been a motte which was subsequently…

Religious house – Knights Hospitallers

SMR KD022-034—-Tully EastProtected

In a graveyard (KD022-034001-) near the top of a short, gentle, E-facing pasture slope, Tully House located 170m to E. According to Gwynn and Hadcock (1970, 338-9), the church 'de Tuly' was confirmed to the Knights…

Cross – Wayside cross

SMR KD022-039—-Curragh (Kildare Ed)Protected

A limestone block (dims L 1.04m; Wth 0.9m; 0.48m) with a shallow rectangular mortice, now lying beside a small heap of limestone rubble on which it appears to have stood originally; possibly the 'very small mound' noted…

Religious house – unclassified

SMR KD022-054—-Friarstown (Dunmurry Ed)Protected

On a stud farm in gently undulating pasture, sloping generally downwards towards the NE. According to local information (SMR file, 1987), the friary of the Black Friars stood here formerly, and ploughing turned up large…

House – indeterminate date

SMR KD023-064—-Curragh (Kildare Ed)Protected

The foundations of a two-roomed house (dims. L 12m; Wth 5m) are visible as low, earthen banks. Possibly the remains of a traditional, clay-walled house of uncertain date. (An Foras Forbartha report 1984, 2: SMR…

Earthwork

SMR KD023-076—-Curragh (Ballysax East Ed),Curragh (Kildare Ed)Protected

Earthworks which comprises the Archaeological Complex of the Curragh which was a focus of burials in the prehistoric period. This zone was listed as an Archaeological Complex in the Record of Monuments and Places for…

Ringfort – unclassified

SMR KD027-006—-Mooretownearly_medievalProtected

On a very gentle NW-facing pasture slope. Shown on the 1st ed. (1838) of the OS 6-inch map as a circular area (est. max. diam. c. 35m) enclosed by a bank. Only a very slightly curving arc of bank (int. H 0.7m; Wth 2.6m;…

Bullaun stone

SMR KD012-006007-Lullymore Eastearly_christianProtected

In a graveyard (KD012-006005-) which forms part of the early ecclesiastical site at Lullymore (KD012-006—-). A roughly hexagonal-shaped stone (dims. L c. 1m; Wth c. 1m; T c. 0.2m) contains a shallow, circular hollow…

Cairn – unclassified

SMR KD017-018005-Kilmoney Northbronze_ageProtected

Near the centre of a rectangular enclosure (KD017-018002-) located at the S end of a possible medieval field system (KD017-018001-) which is abutted at W by a possible early ecclesiastical enclosure (KD017-018003-). A…

Standing stone

SMR KD017-049—-Rathangan (Rathangan Ed)bronze_ageProtected

At the E end of a low, narrow pasture ridge overlooking the narrow flood-plain of the Slate River which flows SW c. 100m to the N, and overlooked by the embankment of the Grand Canal (Athy Branch) c. 30m to the S. A…

Inauguration site

SMR KD017-028004-CarrickanearlaProtected

A mound (KD017-028001-) and unclassified castle (KD017-028002-), where, according to Fitzgerald (1891-95, 148), 'a town of Kildare jarvey gave … a garbled story about how in former times the Earls of Kildare used to…

Children's burial ground

SMR KD017-008001-Cloncurry (Offaly East By., Cloncurry Ed)medievalProtected

Located 4m S of the SW corner of a church (KD017-008—-). Two small, plain, rectangular, unworked, earthfast flags (dims. H 0.5m; L 0.4m N-S; T 0.10m) stand in line a short distance apart, their long axes in line with…

Barrow – pond barrow

SMR KD027-042—-Kingsbog Or CommonProtected

In open level wet rough pasture. An oval, wet, pond-like area (int. diams. 23.3m NNW-SSE; 18m NNW-SSE) is defined by a low, very broad, denuded earthen bank (Wth 3.3 – 10m; int. H 0.3m; ext. H 0.1 – 0.5m) densely…

Tomb – effigial (present location)

SMR KD022-029034-KildareProtected

A large collection of cross slabs, grave slabs, decorated stones and three effigies (See KD022-029023- and KD022-029027- to KD022-029057-), dating from the 10th to the 17th centuries have been placed in St. Brigid’s…

Tomb – table tomb

SMR KD022-029038-KildareProtected

A large collection of cross slabs, grave slabs, decorated stones and three effigies (See KD022-029023- and KD022-029027- to KD022-029057-), dating from the 10th to the 17th centuries have been placed in St. Brigid’s…

Barrow – ring-barrow

SMR KD022-040—-Curragh (Kildare Ed)bronze_ageProtected

On a short, gentle, S-facing slope, overgrown with whins. Described by O'Riordáin (1950, 277: Site E1; scaled section at W Plate XXVII) as an irregular area, 'enclosed by a bank, outside which a slight ditch and low…

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 183 listed buildings in Offaly East, the 74th percentile across ROI baronies for listed-building density. The highest-graded structures include 2 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 (76 examples, 42% of the listed stock).

Terrain and environment

Mean elevation across the barony is 92m — the 52nd percentile among 280 ROI baronies for elevation. This means it is in the upper half of all baronies for elevation. 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. A maximum elevation of 228m gives the barony meaningful vertical relief. Mean slope is 2.4° — the 21st 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 78th percentile among 280 ROI baronies for wetness. This means it is in the top third 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. The land-cover mosaic combines improved grassland (69%), woodland (16%), and arable farmland (12%), giving a mixed agricultural and semi-natural landscape.

Terrain measurements

Mean elevation92.3 m
Max elevation228.3 m
Mean slope2.4°
Wetness index (TWI)11.58 78th pct
Grassland68.8%
Woodland15.6% 48th pct
Cropland12.4%
Urban land2.8% 83rd pct

Where this barony sits in the Republic of Ireland

Drainage
78th
Woodland
48th

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 Offaly East is predominantly limestone (94% of the barony by area), laid down during the Carboniferous period (96% 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.

Dominant geological periodCarboniferous (96%)
Dominant rock typeLimestone (94%)
Mapped formations22
Distinct rock types4 32nd pct for diversity

Rock type composition

Limestone
94%
Sandstone
2%
Red Clastics
2%
Greywackes, Grits
2%

Largest mapped unit: Boston Hill Formation (22% of the barony)

Placename evidence

Logainm records 5 heritage-diagnostic placenames for Offaly East, a modest sample drawn predominantly from the townland record. The dominant stratum is pre-christian defensive. The most frequent diagnostic roots are ráth- (1) and dún- (1). With a sample of this size the count should be treated as indicative rather than definitive.

Pre-Christian / Early Medieval Defensive

RootCountMeaning
ráth-1earthen ringfort
dún-1hilltop or promontory fort

Early Christian Ecclesiastical

RootCountMeaning
cill-1church (early)
gráinseach-1monastic farm / grange

Burial, Ritual, and Norse-Contact

RootCountMeaning
carn-1cairn
Grounding History report mockup

Explore further

Grounding History: 10 Maps of Northern Ireland’s Past

If you’re interested in Irish heritage more widely, the companion report for Northern Ireland brings together the analysis of all 462 NI wards into one place through 10 high-quality maps — covering monument density, archaeological periods, placename heritage, terrain, wetland, and the historic landscape at first survey. Take a look.

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.