1,608 NMS sites 1,593 within protection zone 260 listed buildings 8 of 9 archaeological periods

Clanwilliam is a barony of County Tipperary, in the historical province of Munster (Irish: Clann Liam), covering 469 km² of land. The barony records 1,608 NMS archaeological sites and 260 NIAH listed buildings, placing it at around the 88th percentile among 280 ROI baronies for sites per km². This means it is in the top fifth of all baronies for sites per km². Dated archaeological evidence runs from the Neolithic through to the Modern, spanning 8 of 9 archaeological periods, placing the barony in the 75th percentile among 280 ROI baronies for chronological depth. This means it is in the top third of all baronies for chronological depth. The largest dated subset of recorded sites dates to the Iron Age. Logainm flags 66 placenames in the barony as carrying a recognised heritage root; the largest share — around 50% — are names associated with early Christian church and monastic foundations.

Detailed boundary map of CLANWILLIAM barony, TIPPERARY
Clanwilliam boundary detail
Regional context map showing CLANWILLIAM barony within TIPPERARY
Clanwilliam in regional context

Heritage at a glance

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

1,608
Recorded NMS sites
89th percentile
1593
Within protection zone
99.1% of recorded sites
260
NIAH listed buildings
84th percentile
469 km²
Barony area

The recorded heritage of Clanwilliam

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 1,608 archaeological sites in Clanwilliam, putting it at the 88th percentile among 280 ROI baronies for sites per km². This means it is in the top fifth of all baronies for sites per km². Protection coverage is near-universal — 1,593 sites (99%) fall within a recorded monument protection zone, indicating an extensively surveyed landscape. The record is dominated by defensive sites — ringforts, enclosures, hillforts, and stone forts (647 sites, 40% of the total), with burial and ritual monuments forming a substantial secondary presence (318 sites, 20%). The most diagnostically specific type is Barrow – ring-barrow (172 records, 11% of the barony's NMS total) — compared to an 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. The broader 'Enclosure' classification — which catches unclassified ringforts and field enclosures — accounts for a further 421 records (26%) and reflects the difficulty of sub-classifying degraded earthworks from surface evidence alone. Other significant types include Ringfort – rath (117) — an earthen ringfort enclosed by a bank and external ditch — the most common Early Medieval farmstead, broadly dated 500–1000 AD. Across the barony's 469 km², this gives a recorded density of 3.43 sites per km².

Most common monument types

Hover or tap a monument type to see its definition.

TypeCount
Enclosure a banked or ditched feature of uncertain type, used as a catch-all where the original function cannot be determined from surface evidence 421
Barrow – ring-barrow a Bronze/Iron Age burial monument: a low circular area enclosed by ditch and outer bank 172
Ringfort – rath an earthen ringfort enclosed by a bank and external ditch — the most common Early Medieval farmstead, broadly dated 500–1000 AD 117
Cross-slab a stone slab inscribed with a cross, used as a grave-marker or memorial, dated pre-1200 AD 94
Ring-ditch a circular ditch under 20m across, often the ploughed-out remains of a barrow, ring-barrow or roundhouse 70
Barrow – unclassified a prehistoric burial mound where the specific barrow type cannot be determined from surface evidence 49
Moated site 46

Chronological distribution

The dated archaeological record for Clanwilliam spans from the Neolithic through to the Modern, with activity attested across 8 of 9 archaeological periods. This is the 75th percentile across ROI baronies for chronological depth — an above-average span. 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 Iron Age (568 sites, 39% of dated material), with the Early Bronze Age forming a secondary peak (504 sites, 35%). A further 159 recorded sites (10% 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
2
Early Bronze Age
504
Middle Late Bronze Age
34
Iron Age
568
Early Medieval
194
Medieval
133
Post Medieval
11
Modern
3
Unknown
159

Sample of recorded monuments

Show 25 sample monuments (of 1,608 total)

A representative sample of 25 recorded monuments drawn from the barony’s 1,608 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.

Habitation site

SMR TS058-023001-Longstone (Kilcornan Par.)Protected

Beneath a multi-period funerary complex consisting of a bowl-barrow (TS058-023003-), a standing stone (TS058-023004-), two ditch-barrows (TS058-023005- and TS058-023007-) and a ring-barrow (TS058-023006-), all contained…

Platform

SMR TS058-042003-Ballyrobin (Kilcornan Par.)Protected

On level ground at the base of a slight N-facing slope, in low-lying gently undulating improved pasture. A ditch-barrow (TS058-042004-) is located within the enclosure on the SW side while the enclosure is at the SE…

Castle – ringwork and bailey

SMR TS059-049—-Ballydonagh,Ranacrohy (Kilmucklin Par.)Protected

In improved pasture, on a hillock with excellent views in all directions. A circular area (map diam. c. 44m) defined by scarp (Wth 3.8m; H 2.1m) N-ESE, SW & NW which is reduced to low scarp (Wth 3.95m; H 1.1m) at E,…

Cairn – cairn circle

SMR TS060-038—-MoghProtected

In improved, level pasture. Flat topped mound (dims. 12.2m N-S; 8m E-W) of earth and stone with gentle sides (max. H 0.8m) defined at base by kerbing of upright sandstones at NW and SW. Four stones (two large and two…

House – fortified house

SMR TS060-050001-Ballygriffin (Ballygriffin Par.)Protected

On high ground on edge of flat ridge above the flood plain of the Multeen River to W and Ballygriffin church (TS060-049001-) and graveyard (TS060-049003-) 70m to the N.
According to the Civil Survey (1654-6) the…

Sheela-na-gig

SMR TS060-059003-Ballynahinch (Ballygriffin Par.)medievalProtected

On the external E face of Ballynahinch tower house (TS060-059001-), situated c. 2m above and slightly to the N of the broken out doorway. The sheela-na-gig is carved in raised relief on a rectangular slab (H 0.55m).…

Weir – fish

SMR TS060-077—-Ballygriffin (Ballygriffin Par.),Mantlehill GreatProtected

According to the Civil Survey (1654-6) the townland of Ballygriffin has two weirs for fishing (Simington 1934, vol. 2, 8). On the 1st (1840) ed. OS 6-inch map the E-W weir is depicted crossing the River Suir N and S of…

Water mill – unclassified

SMR TS060-097005-BaurstookeenProtected

A 'Flour Mills' on a mill race with a 'Mill Pond' is depicted on the 1st (1840) ed. 6-inch OS map on the E side of the River Suir, N of the bridge at Golden. On the 1903-04 6-inch OS map the mill is depicted as 'Mill…

Cathedral

SMR TS065-013002-EmlymedievalProtected

According to the OS letters the early cathedral was on the site of the present cathedral (O'Flanagan 1930, vol. 3, 39-60), however, other references and the OS 6-inch maps indicate that the pre-1700 cathedral was…

Ringfort – cashel

SMR TS066-125—-Ballynamrossaghearly_medievalProtected

In improved pasture, gently undulating pasture, on a gentle NW-facing slope. Circular area (dims. 17m N-S; 16m E-W) defined by low bank (Wth 4.25-6.05m; int. H 0.18-0.85m; ext. H 0.75-0.85m), fosse (overall Wth 8.25m;…

Religious house – Augustinian friars

SMR TS067-004001-CollegelandProtected

S of Tipperary town (TS067-004—-) and immediately S of the River Ara, at the SE junction of Abbey Street and Railway Road. There is conflicting evidence of when this Augustinian Friary was founded, sources suggesting…

School

SMR TS067-004005-CollegelandProtected

On the E side of Railway Road, S of the River Ara and in the grounds of the Augustinian Friary (TS067-004001-). In 1669 a royal charter granted Erasmus Smith ‘several parcells of abby land, with the old abby, in…

Field boundary

SMR TS067-013003-CorrogemoreProtected

In level pasture, field undulates gently. In level pasture, field undulates gently. Linear depression (L c. 200m) running NW-SE between enclosure (TS067-013001-) and enclosure (TS067-013002-) identified on aerial…

Hilltop enclosure

SMR TS067-084—-Scart (Killardry Par.)Protected

In pasture, on top of hillock. Land slopes downward steeply to W and SW. Circular area (dims. c. 82m SE-NW) defined by curving bank (NW-SE) topped with thorn trees etc., now incorporated into field boundary. No…

Religious house – Augustinian canons

SMR TS068-013—-Athasselabbey NorthProtected

On an island on the flood-plain of the River Suir, surrounded by marshy ground. There is a natural low hill to the NW of the abbey. The aspect from abbey is relatively poor except to the S. Athassel Priory was built c.…

Gatehouse

SMR TS068-013003-Athasselabbey NorthProtected

On the W edge of the abbey complex (TS068-013—-) and island which is occupied by the abbey. A bridge (TS068-013002-) provides access over the now largely dried-up river bed to the gatehouse of the abbey. The outer…

Megalithic tomb – wedge tomb

SMR TS073-006—-CorderryProtected

On a platform in gently sloping moorland on the W slope of Moanour mountain which is at the W end of Slievenamuck mountain. This wedge-tomb is partially buried in the surrounding bog. It consists of a long wedge-shaped…

Megalithic tomb – passage tomb

SMR TS073-007—-ShroughProtected

On the summit of Shrough Hill, part of the Slievenamuck/Moanour mountains, with forestry encroaching to within 10m to N, E and W, forestry to W has been felled affording an extensive view of the Galty mountains and…

Ritual site – pond

SMR TS074-011—-ArdaneProtected

In wet, marshy terrain. A recent wooden plank walk-way has been constructed across the marsh to give access to the well, which otherwise is very difficult. The holy well consists of a large, roughly circular area (diam.…

Designed landscape feature

SMR TS075-027002-BallydrehidProtected

On a natural rise overlooking the Suir river valley. The River Aherlow meets the Suir immediately below Ballydrehid House (TS075-027003-). A roughly rectangular earthwork defined by scarp is depicted on the 2nd…

Memorial stone

SMR TS065-013016-EmlyProtected

Incorporated into the N face of the graveyard wall, immediately E of the E gate pier. The plaque has been painted white, with the lettering highlighted in black with a thin black border. The inscription is in latin and…

Town defences

SMR TS067-004009-Bohercrow,Carrownreddy,Knockanrawley,Murgasty,Town LotProtected

In 1300 a murage grant was given for a period of 10 years and in 1310 a further grant was given for a period of 3 years (Thomas 1992, 194). Based on the probable survival of the medieval town pattern on the modern town,…

Cross-inscribed stone

SMR TS075-023038-ToureenProtected

This stone is currently incorporated into the interior E wall of a church (TS075-023001-). It is described by Okasha and Forsyth (2001, 271-2) as a small slab (H c. 0.14m; Wth c. 0.13m; T c. 0.08m visible) and is 'part…

Shrine

SMR TS075-023072-ToureenProtected

Two 'posts' of a corner-post shrine currently located in a small display area 5m SE of the church (TS075023001-) to the N and S of the E cross (TS075-023002-). Both posts are of similar size and design, each a tapering…

Enclosure

SMR TS059-054—-DonaskeaghProtected

In improved pasture, on a low, natural rise of a SE-facing slope. Levelled remains of an oval area (dims. 43m NW-SE; 26m NE-SW) defined by traces of scarp which have been levelled off into the natural rise. It is…

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 260 listed buildings in Clanwilliam, the 84th 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 (129 examples, 50% of the listed stock).

Terrain and environment

Mean elevation across the barony is 130m — the 78th percentile among 280 ROI baronies for elevation. This means it is in the top third of all baronies for elevation. This is a relatively elevated 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. The barony reaches 914m at its highest point — a vertical span of more than 784m within its boundary, indicating significant topographic diversity. Mean slope is 4.3° — the 66th percentile among 280 ROI baronies for slope. This means it is in the upper half of all baronies for slope. 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 10.8, the 47th percentile among 280 ROI baronies for wetness. This means it is in the lower half of all baronies for wetness. 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 is dominated by improved grassland (80%) and woodland (16%). In overall character, this is elevated but relatively gentle terrain — typical of plateau country, with land use dominated by improved grassland.

Terrain measurements

Mean elevation129.7 m
Max elevation914.2 m
Mean slope4.3°
Wetness index (TWI)10.77 47th pct
Grassland80.3%
Woodland16.2% 54th pct
Cropland2.3%
Urban land1.0% 46th pct

Where this barony sits in the Republic of Ireland

Drainage
47th
Woodland
54th

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 Clanwilliam is predominantly limestone (50% of the barony by area), laid down during the Carboniferous period (70% 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. With 7 distinct rock types mapped, the barony sits in the top third of ROI baronies for geological diversity (74th percentile) — typically a sign of complex tectonic history or coastal mosaics of differing rock units.

Dominant geological periodCarboniferous (70%)
Dominant rock typeLimestone (50%)
Mapped formations34
Distinct rock types7 74th pct for diversity

Rock type composition

Limestone
50%
Limestones
12%
Sandstone
11%
Sandstone, Conglomerate
9%
Conglomerate
6%

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

Placename evidence

Logainm records 66 heritage-diagnostic placenames for Clanwilliam, drawn from townland and civil-parish names across the barony. The dominant stratum is Early Christian ecclesiastical — cill-, teampall-, and domhnach-prefixed names that record the dense network of early church foundations established between the fifth and tenth centuries. The leading diagnostic roots are cill- (19 — church), ráth- (16 — earthen ringfort), and lios- (8 — ringfort or enclosure). This is well above the ROI average of 30.7 heritage placenames per barony — around 2.1× the typical figure. The presence of multiple heritage strata side by side indicates layered occupation of the landscape across successive prehistoric and historic periods. Logainm records 393 placenames for Clanwilliam (predominantly townland names). Of these, 66 (17%) carry one of the diagnostic Gaelic roots tracked above; the remainder draw on more generic landscape vocabulary that does not encode a heritage period.

Pre-Christian / Early Medieval Defensive

RootCountMeaning
ráth-16earthen ringfort
lios-8ringfort or enclosure
dún-5hilltop or promontory fort
cathair-1stone fort

Early Christian Ecclesiastical

RootCountMeaning
cill-19church (early)
teampall-6church (later medieval)
gráinseach-3monastic farm / grange
tobar-2holy well
cillín-2unconsecrated burial ground
domhnach-1pre-Patrician or earliest Patrician church

Burial, Ritual, and Norse-Contact

RootCountMeaning
tuaim-1burial mound

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.