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Clonmacnoise Cathedral from the south-east (centre and left), Temple Doolin and Temple Hurpan (right) and Temple Melaghlin (behind, covered)
Cross of the Scriptures, Cathedral, Temple Doolin and South Cross

The monastery of Clonmacnoise (Cluain Mhic Nóis in Irish, meaning "Meadow of the Sons of Nós", or perhaps, albeit less likely, Cluain Muccu Nóis "Meadow of the Pigs of Nós") is situated in County Offaly, Ireland on the River Shannon south of Athlone.

Clonmacnoise was founded in 544 by St. Ciarán, a young man from Rathcroghan, Co. Roscommon.[1] (Not to be confused or conflated with St. Ciarán of Saigir, patron of Osraige.) Until the 9th century it had close associations with the kings of Connacht. The strategic location of the monastery helped it become a major centre of religion, learning, craftsmanship, and trade by the 9th century and together with Clonard it was the most famous in Ireland, visited by scholars from all over Europe. From the ninth until the eleventh century it was allied with the kings of Meath. Many of the high kings of Tara and Connacht were buried here.

In the modern day, the site stands as a preserved ruin under the management of the Office of Public Works. An interpretive center and facilities for visitors have been built around the site, which is open to the public for a fee. The graveyard surrounding the site continues to be in use and religious services are held regularly on the site in a modern chapel.


  • History 1
  • Buildings and High Crosses 2
  • Interpretative Centre and facilities 3
  • The Fairy's or Horseman's Stone 4
  • The Annals of Clonmacnoise 5
  • Annalistic references 6
  • Clonmacnoise in the Annals of Inisfallen 7
  • Annals of the Four Masters 8
  • Clonmacnois Youth Festival 9
  • See also 10
  • Notes 11
  • References 12
  • External links 13


Shortly after his arrival with seven companions – at the point where the major east-west land route through the bogs of central Ireland along the Eiscir Riada, an esker left by the receding glaciers of the last ice age crossed the River Shannon – Saint Ciarán met Diarmait Uí Cerbaill who helped him build the first church at the site. This was a small wooden structure and the first of many small churches to be clustered on the site. Diarmuid was to be the first Christian crowned High King of Ireland. In September 544, not yet thirty-three years of age, Ciarán died of a plague,[1] and was reportedly buried under the original wooden church, now the site of the 9th century stone oratory, Temple Ciarán.

Clonmacnoise Castle

According to Adomnan of Iona, who referenced the testimony of earlier abbots of Iona who had known Columba, St Columba visited the monastery at Clonmacnoise during the time when he was founding the monastery at Durrow. While he was there he prophesied about the future debates in the churches of Ireland about the dating of Easter and claimed that angels had visited the monastery at Clonmacnoise. While he was there, there was a young monk named Ernéne mac Craséni (who would later be famous in Ireland) who tried to touch Columba's clothes while Columba was not looking, but the saint immediately noticed and grabbed the boy by the neck, and then told him to open his mouth and he blessed him, saying that he would teach the doctrine of salvation; the boy was Ernéne mac Craséni, who would later be a great monk in Ireland.[2]

Towards the close of the seventh century a plague carried off a large number of its students and professors.[1] Clonmacnoise's period of greatest growth came between the 8th and 12th centuries. It was attacked frequently during these four centuries, mostly by the Irish (at least 27 times), the Vikings (at least 7 times) and Normans (at least 6 times). The early wooden buildings began to be replaced by more durable stone structures in the 9th century, and the original population of fewer than ten men grew to perhaps 1,500 to 2,000 by the 11th century. Artisans associated with the site created some of the most beautiful and enduring artworks in metal and stone ever seen in Ireland, with the Clonmacnoise Crozier (on display in the National Museum of Ireland) and the Cross of the Scriptures representing the apex of their efforts.

In the 12th century Clonmacnoise began to decline. The reasons were varied, but without doubt the most debilitating factor was the growth of the town of Athlone to the north of the site from the late-12th century. Athlone became the main trading town for the midlands of Ireland, the most popular route for crossing the Shannon, as well as the best-defended settlement in the region. People migrated north from Clonmacnoise to Athlone, and with the fall in population went much of the support that the site needed to survive, and former allies began to recognise the decline in the site's influence. The influx of continental religious orders such as the Franciscans, Augustinians, Benedictines, Cluniacs, etc. around the same time fed into this decline as numerous competing sites began to crop up. Ireland's move from a monastic framework to a diocesan one in the twelfth century similarly diminished the site's religious standing, as it was designated the seat of a small and impoverished diocese.

The monastery ruins were one of the stops on the itinerary of Pope John Paul II during his visit to Ireland in 1979.

Buildings and High Crosses

Temple Finghin & McCarthy's Tower

Most of the churches have recently undergone comprehensive conservation works, mostly re-pointing, with the Nun's Church (about 1 km off site), currently under wraps while it too undergoes the same process.

Temple Finghín & McCarthy's Tower: Romanesque church and round tower – 12th century. An unusual occurrence was the vandalism of this church in 1864 by a person from Birr on a 'pleasure party' to the Seven Churches, as Clonmacnoise was often termed. This led to a landmark case when a prosecution was brought against the vandal by the Crown, due to the efforts of the Royal Society of Antiquaries of Ireland. Some of the funds which had been raised for the prosecution were later used by the Society to repair the cap of the church's tower. The structure is possibly the earliest example of a church and round tower being part of a single structure in Ireland.

Temple Connor: Church used by the Church of Ireland since the 18th century. It underwent significant restoration works in the second decade of the twentieth century, when the pitch of the roof was raised and the internal space was remodelled. The church is maintained under the auspices of the Athlone Union of Parishes, and each Sunday during the summer a service is held at four o'clock in the afternoon.

O'Rourke's Tower: Though named O'Rourkes' Tower after 10th century Connacht king Fergal O'Rourke the Chronicum Scotorum, records that it was finished in 1124 by Turlough O'Connor, king of Connacht, and Gilla Christ Ua Maoileoin, abbot of Clonmacnoise. 11 years later it was struck by lightning, which knocked off the head of the tower. The upper part of the tower is later work, so there is some speculation that the masonry thus toppled in the storm of 1135 may have been reused in the building of McCarthy's Tower.

North Cross: Oldest of the three extant crosses. Created c.800. Only the limestone shaft and sandstone base (a former millstone) survive. The decoration is non-Christian, with an image of Cernunnos, the Celtic God of hunting and fertility, displayed on the east face of the shaft. It appears that the piece was badly vandalised at some point in its history, a hypothesis which may explain its current state.

Temple Kelly: All that remains of this church are the low-lying perimeter stones, which still give a good indication of the church's original size.

Temple Ciarán: At 2.8 by 3.8 metres, the smallest church in Clonmacnoise. Traditionally presented as the grave site of St. Ciarán, excavations of the church unearthed the Clonmacnoise Crozier, but no saintly remains.

Replica of the Cross of the Scriptures

Cross of the Scriptures: This 4-metre high sandstone cross is one of the most skilfully executed of the surviving high crosses in Ireland, and of particular interest for its surviving inscription, which asks a prayer for Flann Sinna, King of Ireland, and Abbot Colmán who commissioned the cross. Both men were also responsible for the building of the Cathedral. The cross was carved from Clare sandstone c.900. The surface of the cross is divided into panels, showing scenes including the Crucifixion, the Last Judgement, and Christ in the Tomb. The original has been moved into the visitors' centre to preserve it from the elements; a replica stands at the original site.

Interior of Temple Rí (King's Church)

Cathedral: Building started around 909 (Chronicum Scotorum) by Flann and Colmán. The west doorway has been recently (and somewhat controversially), comprehensively restored with the Gothic-style north doorway, often called the Whispering Arch, dating to the mid-15th century. The Cathedral is the largest of the churches at Clonmacnoise. Rory O'Connor, the last High King of Ireland, was buried near the altar in 1198, joining his father Turlough. Most of the graves currently seen in the church are those of the Coghlan family, whose patriarch extensively rebuilt the cathedral in the mid-seventeenth century.

Temple Melaghlin: Built c.1200. Also called the King's Church, due to the fact that at least seven generations of Melaghlin Kings are said to be buried underneath the structure. The church is also believed to have housed the scriptorium, the room where the manuscripts were designed and decorated.

Detail of Cross of the Scriptures

South Cross: A 9th-century piece originally situated at the southern end of the site's central hub. It has one Christian scene on its west face, a rough carving of the Crucifixion of Christ. Many believe that the Cross may have been part inspiration for the later Cross of the Scriptures. Again, the original is in the interpretative centre, with a replica occupying its original site.

Temple Dowling: Originally built in the 10th century, this tiny church is named after Edmund Dowling, who renovated it in 1689, placing a stone carving of his family crest above the door. Sometimes referred to as MacClaffey's Church.

Temple Hurpan: Built in the 17th century at the east end of Temple Dowling, this annexe had no religious function outside of being a burial ground for some members of the local parish.

Interpretative Centre and facilities

The site was handed over by the Church of Ireland to the Irish Government in 1955 and has been maintained by various departmental bodies since then. Currently the Office of Public Works manages the site on behalf of the Department of the Environment and Local Government. The current visitors' centre opened in 1993, replacing a wooden structure, and entry to the site is contingent on the payment of an entry fee seven days a week (from 1973–1985 a part-time guiding/interpretative service was maintained, which also required a small admission fee). The centre was designed to cater for a maximum of 80,000 visitors per annum; it attracted roughly 169,000 visitors in 2007 and 135,000 in 2010.

The centre's main features are exhibits depicting the history of Clonmacnoise and the area, archaeological artefacts (including the original stone crosses, brought indoors for preservation and display), information on the people who would have lived and worked there, and a section on the local ecology of the Shannon and the wetland bogs. Other amenities include a theatre for audio/visual presentations, a Fáilte Ireland tourist office, gift shop, tea room, toilets and parking. Guided tours of the site may be booked in advance for groups.

The Fairy's or Horseman's Stone

Near the Chapel of Clonfinlough at Clonmacnoise there are several limestone boulders, one of which is called the Fairy's or Horseman's Stone. It has many cup-shaped hollows, crosses, daggers, and a pair of human feet (an example of a Petrosomatoglyph) possibly connected with the inauguration of Gaelic rulers.

The Annals of Clonmacnoise

The Annals of Clonmacnoise chronicle events in Ireland from pre-history to A.D. 1408. The original manuscript or manuscripts are lost, and the names of its compilers are unknown. It is so-called because it was thought to be based on materials gathered at the monastery of Clonmacnoise.

Annalistic references

  • 792. Aelmidhair, OEconomus of Cluain Mic Nois, who was of the Sil Maelruanaidh, died.
  • 793. Connmhach, son of Burbotha, a descendant of Guaire Aidhne, scribe of Cluain Mic Nois .. died.
  • 784. Murghal, Abbot of Cluain Mic Nois, of the race of Fiachra, son of Eochaidh Muighmheadhoin
  • 789. Colgu Ua Duineachda, lector of Cluain Mic Nois, he who composed the Scuaip Chrabhaidh, died.
  • 793. Connmhach mac Burbotha, a descendant of Guaire Aidhne, scribe of Cluain Mic Nois;
  • 794. Anaile, Abbot of Cluain Mic Nois, who was of the Ui Briuin, died.
  • 811. Suibne mac Cuanach, Abbot of Cluain Mic Nois, one of the Ui Briuin Seola; Cluain Mic Nois was burned. In thirty days afterwards a victory was gained by Diarmaid, son of Tomaltach, over the Ui Fiachrach Muirisce.
  • 814. Duibhinsi, scribe of Cluain Mic Nois;
  • 848. Cétadach, Abbot of Cluain Mic Nois, died. He was of the tribe of Ui Cormaic Maenmhaighe. It was in lamentation of him this quatrain was composed: "All have heard it/both uncommon and common/That an abbot at Cluain like Cedadach will never again be seen."
  • 899. Ioseph of Loch Con, Abbot of Cluain Mic Nois, of the tribe of the northern Ui Fiachrach;

Clonmacnoise in the Annals of Inisfallen

  • AI547. Kl. In this year Cluain Moccu Nóis was founded: that is, Nós, swineherd of the king of Connachta, from whom Cluain Moccu Nóis is named. [AU 549]
  • AI548.1 Kl. Death of Mael at the hands of another person named Mael. Repose of Ciaran, son of the wright. Mael Odur [died] the same day.
  • AI570.1 Kl. Repose of Aenu, abbot of Cluain Moccu Nóis. [AU 570, 577].
  • AI587.1 Kl. Repose of Mac Nise, abbot of Cluain Moccu Nóis. [AU 585, 591].
  • AI602.1 Kl. Repose of Ailithir, abbot of Cluain Moccu Nóis. [AU 599].
  • AI652.1 Kl. Repose of Aediug, abbot of Cluain, and of Ségéne, abbot of Í. [AU 652].
  • AI713.1 Kl. Fáilbe Bec, abbot of Cluain Moccu Nois, rested.
  • AI724.1 Kl. Repose of Cuinnles, abbot of Cluain Moccu Nóis.
  • AI737.1 Kl. Repose of the grandson of Lóchíne, abbot of Cluain Moccu Nóis.
  • AI753.1 Kl. Lucraid, abbot of Cluain Moccu Nóis, [rested].
  • AI762.1 Kl. Cormac, abbot of Cluain Moccu Nóis, rested.
  • AI771.1 Kl. Forbasach, abbot of Cluain Moccu Nóis, [rested].
  • AI784.2 Repose of Rechtabra, abbot of Cluain Moccu Nóis.
  • AI789.1 Kl. Murgal, abbot of Cluain Moccu Nóis, fell asleep.
  • AI794.3 Ioseph, abbot of Cluain Moccu Nóis, dies.
  • AI816.1Bissextile. Kl. The burning of Cluain Moccu Nóis.
  • AI850.1 Kl. Repose of Cétadach, abbot of Cluain Moccu Nóis.
  • AI868.1 Kl. Connmach, abbot of Cluain Moccu Nóis, dies.
  • AI872.2 Ferdomnach, abbot of Cluain Moccu Nóis, [rested].
  • AI876.2 Repose of Eógan, abbot of Cluain Moccu Nóis.
  • AI886.1 The destruction of Dún Tidill in the territory of Ara.
  • AI887.2 Anealoen the pilgrim, came to Ireland, and the wearing of the hair long was abolished by him, and tonsures were accepted.
  • 891. Mael Petair mac Cúán, took Cluain Ferta Brénainn.
  • 895. Repose of Mael Petair mac Cúán, abbot of Tír dá Glas and Cluain Ferta Brénainn.
  • 896. The martyrdom of Mael Achid, abbot of Cluain Moccu Nóis.
  • 895. Repose of Fíngen, an anchorite from Mumu, in Cluain Moccu Nóis.
  • 904. Repose of Ioseph of Loch Con, abbot of Cluain Moccu Nóis.
  • 907. Eight score ferryings(?) [were made] by Cormac, king of Caisel, until they [his forces] arrived in Cluain Moccu Nóis during that Christmas.
  • 916. Repose of Aed mac Ailill, abbot of Cluain Ferta Brénainn.
  • 922. Tomrair son of Elgi, a Jarl of the foreigners, on Luimnech (the Lower Shannon), and he proceeded and plundered Inis Celtra and Muicinis, and burned Cluain Moccu Nóis; and he went on Loch Rí and plundered all its islands, and he ravaged Mide.
  • 926. Kl. Repose of Colmán mac Ailill abbot of Cluain Moccu Nóis and Cluain Iraird.
  • 931.Kl. The seventh feria [Saturday], ninth of the moon. Repose of Tipraite mac Amsene, abbot of Cluain Moccu Nóis.
  • 934. Kl. Repose of Rebachán mac Mothla, abbot of Tuaim Gréine and king of Dál Cais. Repose of Uallach ingen Muinecháin, poetess of Ireland.
  • 951. Kl. A foray by Cellachán and by Donnchadh, and they plundered Cluain Ferta Brénainn and Cluain Moccu Nóis.
  • 954. Repose of Dub Inse, learned bishop of Ireland, and of Cellachán, king of Caisel, and of Éladach the learned, abbot of Ros Ailithir, and of Uarach, bishop of Imlech Ibuir, and of Célechair, abbot of Cluain Moccu Nóis and Cluain Iraird, and of Cormac Ua Maíl Shluaig, learned sage of Mumu, and of Lugaid Ua Maíl Shempail, abbot of Domnach Pátraic, and of Cenn Faelad mac Suibne, anchorite of Cluain Ferta Brénainn.

Annals of the Four Masters

  • M918.9. A great flood in this year, so that the water reached the Abbot's Fort of Cluain-mic-Nois, and to the causeway of the Monument of the Three Crosses.
  • 920.The plundering of Cluain-mic-Nois by the foreigners of Luimneach; and they came upon Loch Ribh, and plundered all its islands.
  • 920. The plundering of Cluain-mic-Nois by the son of Ailgi, who afterwards burned it.
  • 940. A great flood in this year, so that the lower half of Cluain-mic-Nois was swept away by the water.
  • 972. Repose of Tuathal, abbot of Cluain Moccu Nóis.
  • 1002: Flannchad ua Ruaidíne, successor of Ciaran, son of the artificer, of the tribe of Corca-Mogha, died.
  • 1007. Robartach the Anchorite, rested in Cluain Moccu Nóis.

Clonmacnois Youth Festival

In 1979, when Pope John Paul II visited the ruins, he famously said that 'the walls of these ruins are charged with a great mission.'[3] Since 2007, Youth 2000 Ireland, a national non-profit Catholic organisation for young people, run a donation only summer festival every year in St Mary's Field, by the ruins of the old monastery. This has grown into a major event, with over a thousand young people attending. It is usually held mid August and it for all youth age 16–35.[3]

See also


  1. ^ a b c Healy, John. "Abbey and School of Clonmacnoise." The Catholic Encyclopedia. Vol. 4. New York: Robert Appleton Company, 1908. 15 Nov. 2014
  2. ^ Adomnan of Iona. Life of St Columba. ed. Richard Sharpe. 1995, Penguin Books.
  3. ^ a b


  • King, Heather A (1998). Clonmacnoise Studies Vol.1. Duchas & Wordwell.  
  • King, Heather A (2003). Clonmacnoise Studies Vol.2.  
  • Graves, James (1864–66). "Proceedings". Journal of the  
  • Clonmacnoise Visitors' Guide, published by Duchas, The Heritage Service.
  • * Annette Kehnel, Clonmacnois the Church and Lands of St. Ciarán:Change and Continuity in an Irish Monastic Foundation (6th- to 16th Century), pp. 288–290, 1995, Transaction Publishers, Rutgers – State University, USA. ISBN 3-8258-3442-5.

External links

  • Heritage Ireland page on Clonmacnoise
  • Photo Gallery from Clonmacnoise

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