185 NMS sites 161 within protection zone 264 listed buildings 6 of 9 archaeological periods

Salt North is a barony of County Kildare, in the historical province of Leinster (Irish: An Léim Thuaidh), covering 89 km² of land. The barony records 185 NMS archaeological sites and 264 NIAH listed buildings, placing it at around the 58th 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 Post Medieval, spanning 6 of 9 archaeological periods, placing the barony in the 12th percentile among 280 ROI baronies for chronological depth. This means it is in the bottom fifth of all baronies for chronological depth. The largest dated subset of recorded sites dates to the Early Medieval.

Detailed boundary map of SALT NORTH barony, KILDARE
Salt North boundary detail
Regional context map showing SALT NORTH barony within KILDARE
Salt North in regional context

Heritage at a glance

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

185
Recorded NMS sites
58th percentile
161
Within protection zone
87.0% of recorded sites
264
NIAH listed buildings
85th percentile
89 km²
Barony area

The recorded heritage of Salt North

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 185 archaeological sites in Salt North, putting it at the 58th percentile among 280 ROI baronies for sites per km². This means it is in the upper half of all baronies for sites per km². Of these, 161 (87%) fall within a recorded monument protection zone. The record is dominated by ecclesiastical sites — churches, graveyards, and holy wells (45 sites, 24% of the total), with defensive sites forming a substantial secondary presence (41 sites, 22%). The most diagnostically specific type is Church (13 records, 7% of the barony's NMS total) — compared to an ROI average of 4% across all baronies where this type occurs. Church is a building used for public Christian worship, of any date from c. 500 AD onwards. The broader 'Enclosure' classification — which catches unclassified ringforts and field enclosures — accounts for a further 21 records (11%) and reflects the difficulty of sub-classifying degraded earthworks from surface evidence alone. Across the barony's 89 km², this gives a recorded density of 2.09 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 21
Church a building used for public Christian worship, of any date from c. 500 AD onwards 13
Graveyard a burial area associated with a church, in use from the medieval period onwards 12
Ring-ditch a circular ditch under 20m across, often the ploughed-out remains of a barrow, ring-barrow or roundhouse 12
Ritual site – holy well a well or spring traditionally associated with a saint, often credited with healing properties; many trace earlier ritual origins but devotion is documented from the medieval period onwards 9
Ringfort – rath an earthen ringfort enclosed by a bank and external ditch — the most common Early Medieval farmstead, broadly dated 500–1000 AD 7

Chronological distribution

The dated archaeological record for Salt North spans from the Early Bronze Age through to the Post Medieval, with activity attested across 6 of 9 archaeological periods. This is the 12th 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 Early Medieval (40 sites, 30% of dated material), with the Iron Age forming a secondary peak (37 sites, 28%). A further 52 recorded sites (28% 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
19
Middle Late Bronze Age
12
Iron Age
37
Early Medieval
40
Medieval
24
Post Medieval
1
Modern
0
Unknown
52

Sample of recorded monuments

Show 25 sample monuments (of 185 total)

A representative sample of 25 recorded monuments drawn from the barony’s 185 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.

Weir – fish

SMR DU017-014—-BackwestonparkProtected

There was formerly a fishery on the Salmon Leap. This comprised an artifical obstruction across the course of the river. In 1207 King John granted Adam de Hereford 'all the salmon fishery of the salmon leap'; also in…

Architectural feature

SMR KD005-014—-MaynoothProtected

In the grounds of St Patricks College, Maynooth. An 18th century Church of Ireland schoolhouse contains a medieval doorway (Wth 1.03m; H 2.4m) which is chiefly of granite and has a segmented fluted arch of five…

Standing stone

SMR KD006-010—-Kilmacredock Lowerbronze_ageProtected

In open gently undulating pasture, c. 90m SE of a ringfort (KD006-006—-). Not recorded on the 1st ed. (1838) of the OS 6-inch map, but described in 1972 as a limestone boulder (dims. L 1.3m; T 0.5m) lying in the…

Ogham stone

SMR KD006-005002-Donaghmoreearly_christianProtected

Discovered in 1902 by Lord Walter Fitzgerald (1903-5, 26) in the NE sector of Donaghmore graveyard (KD006-005004-), where, according to O'Hanluain (1935-45, 170), it marked an O'Farrell family grave. Macalister (1945,…

Religious house – unclassified

SMR KD006-007003-OldcartonProtected

In the N sector of a graveyard (KD006-007002-). A short length of ivy-clad wall (dims. L 2.5m N-S; H 4m; T 1m) built of mortared, irregularly coursed limestone blocks may be the remains of the E-gable of a church…

Round tower

SMR KD010-014002-Taghadoeearly_christianProtected

National Monument No. 70. In the S sector of a roadside graveyard (KD010-014003-), and part of an early monastic foundation (KD010-014—-). A roofless but otherwise well-preserved, five storied, tower (ext. diam.…

Chapel

SMR KD010-014004-TaghadoeProtected

National Monument No. 578. At the W edge of a graveyard (KD010-014003-) which is part of an early monastic site (KD010-014—-). Named 'RC Chapel in ruins' on the 1st ed. (1838) of the OS 6-inch map and indicated as a…

Bawn

SMR KD010-022001-Barberstownpost_medievalProtected

Some 6m S of a tower house (KD010-022001-) and separated from it by a later building, a short portion of wall (L 5.8m E-W; H 3.1m; T 1m) built of roughly coursed rubble masonry contains a blocked loop, and may be the…

Designed landscape – folly

SMR KD011-040—-Barrogstown WestProtected

An extravagant and monumental folly structure closing a 2 mile vista from the garden front of Castletown House. Built c. 1740, it consists of a central obelisk set upon a series of superimposed arches which are also…

Ritual site – holy tree/bush

SMR KD010-024001-Ardrass UpperProtected

Shearman (1874-5, 306), records that a holy well (KD010-024—-) was 'still frequented by pilgrims who hang up votive offerings of rags on an ancient thorn which overhangs the well'. The well lies in a small thicket on…

Wall monument

SMR KD011-004008-LeixlipProtected

In the N wall of the chancel arch in St Mary's Church (KD011-004003-). According to Bradley et al. (1986 vol. 3, 317), two rectangular plaques are set in an architectural frame. The upper stone (dims. H 0.58m; Wth…

Burial mound

SMR KD011-060—-CastletownProtected

In 2010, during archaeological monitoring (Excavation Licence No. 10E0414) of ongoing restoration works commissioned by the Office of Public Works within Castletown Demesne, a prehistoric site was uncovered in a trench…

House – prehistoric

SMR KD005-015001-MaynoothProtected

In 1996, archaeological excavation (Licence No. 96E0391 ext.) of the whole of the interior of the keep of Maynooth Castle (KD005-015—-) was undertaken for Dúchas, The Heritage Service, before the development of the…

Font

SMR KD011-004011-LeixlipProtected

In the ground floor of the tower at the W-end of Leixlip church (KD011-004003-). A large rectangular font (dims. L 0.68m; Wth 0.66m; H 0.36m) contains a circular basin (diam. 0.47m; D 0.22m) which lacks a drain hole.…

Barrow – ring-barrow

SMR KD005-037—-Laraghbryan Eastbronze_ageProtected

Cropmark of circular-shaped trivallate ditched enclosure/barrow (approx. ext. diam. 30m) visible on Google earth aerial imagery.

Compiled by: Caimin O'Brien based on details kindly provided by Edward…

Road – road/trackway

SMR KD005-011002-MaynoothProtected

Visible on a 1970 aerial photograph (CUCAP BDR 31) as the cropmark of a possible trackway defined by two parallel fosses (est. L. c. 200m ESE-WNW) running through an enclosure (KD005-010—-) and possibly post-dating…

Building

SMR KD005-013—-CollegelandProtected

In the grounds of St Patricks College, Maynooth. The site of the Earl of Kildare's Council House which formed part of the Maynooth castle (KD005-015—-) complex and which was demolished c. 1780, according to the Fourth…

Castle – Anglo-Norman masonry castle

SMR KD005-015—-MaynoothProtected

National Monument No. 485. The Manor of Maynooth was granted by Strongbow to Maurice Fitzgerald who erected Maynooth castle, probably in the late-1180s. At the beginning of the 14th century, the castle became principal…

Road – road/trackway

SMR KD011-002002-Kilmacredock UpperProtected

Possibly the original access route to/from an early monastic site (KD011-002—-) and visible on three aerial photographs (CUCAP AHK 11 (1963); AYR 52 (1969); BDU 45 (1970)). A broad trackway (Wth 6m N-S) is defined…

Historic town

SMR KD011-004001-Leixlip,Leixlip Demesne,Newtown (Leixlip Ed),St. Catherines ParkProtected

Located at the confluence of the E-flowing River Liffey and its tributary, the S-flowing Rye Water. According to Bradley et al. (1986 vol. 3, 304-305), the existence of a Scandinavian placename 'Lex-hlaup' / 'salmon…

Castle – Anglo-Norman masonry castle

SMR KD011-004002-LeixlipProtected

Just S of the confluence of the River Liffey and its tributary the Rye Water. According to Bradley et al. (1986 vol. 3, 309-311), Adam de Hereford's grants to St. Thomas' Abbey, which mention his castle of 'Hernie' or…

Ringfort – unclassified

SMR KD011-005—-Ardrass Lowerearly_medievalProtected

On a short, gentle, E-facing pasture slope. Visible on aerial photographs (GSI 467, 468) as the cropmark of a fosse enclosing an oval area (est. max. diams. c. 70m N-S; c. 40m E-W), but not visible at ground level. The…

Mound

SMR KD011-010—-GriffinrathProtected

At the top of a gentle, E-facing pasture slope. This fairly high mound (max H 3.5m at E; min H 1.4m at W) has a circular base (diam. 16.5m) and a very small, oval, upper surface (diams. 1.5m E-W; 0.7m N-S). It is…

Historic town

SMR KD011-012001-Castletown,Celbridge,Celbridge Abbey (Celbridge Ed),Donaghcumper,OakleyparkProtected

According to Bradley et al. (1986, Vol. 2, 126-36), evidence for pre-Norman settlement consists of the placename Cill Droiched ('the church of the bridge'), traditional associations with St Mochua, and traces of a…

Enclosure

SMR KD005-011001-MaynoothProtected

Visible on as 1970 aerial photograph (CUCAP BDR 31) as the cropmark of a fosse enclosing an approximately circular area (est. max. diam. c. 40m), crossed by a possible trackway (KD005-011002-), and possibly associated…

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 264 listed buildings in Salt North, the 85th percentile across ROI baronies for listed-building density. Among these, 8 are graded National — buildings of interest to the whole of Ireland rather than only its region. The Republic holds 937 National-graded buildings in total, so this barony accounts for around 1% of the national total. Construction dates concentrate most heavily in the Early Georgian (1700-1800) period. The most-recorded building type is house (142 examples, 54% of the listed stock).

Terrain and environment

Mean elevation across the barony is 64m — the 25th percentile among 280 ROI baronies for elevation. This means it is in the bottom third 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 2.4° — the 22nd 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 11.7, the 82nd 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 9% of the barony (the 94th 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 (56%), arable farmland (19%), and woodland (15%), 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 elevation63.8 m
Max elevation106.6 m
Mean slope2.4°
Wetness index (TWI)11.65 82nd pct
Grassland56.5%
Woodland15.1% 44th pct
Cropland19.1%
Urban land8.9% 94th pct

Where this barony sits in the Republic of Ireland

Drainage
82nd
Woodland
44th

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 Salt North is predominantly limestone (90% 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 Lucan Formation (58% of the barony's bedrock). With only 2 distinct rock types mapped, the barony is geologically uniform compared to the rest of the Republic (8th percentile for diversity) — a single coherent bedrock landscape.

Dominant geological periodCarboniferous (100%)
Dominant rock typeLimestone (90%)
Mapped formations5
Distinct rock types2 8th pct for diversity

Rock type composition

Limestone
90%
Calcareous Shale
11%

Largest mapped unit: Lucan Formation (58% of the barony)

Placename evidence

Logainm records 5 heritage-diagnostic placenames for Salt North, a modest sample drawn predominantly from the townland record. The dominant stratum is early christian ecclesiastical. The most frequent diagnostic roots are cill- (4) and domhnach- (1). With a sample of this size the count should be treated as indicative rather than definitive.

Early Christian Ecclesiastical

RootCountMeaning
cill-4church (early)
domhnach-1pre-Patrician or earliest Patrician church

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.