Abbot of Clonmacnoise

The Abbot of Clonmacnoise was the monastic head of Clonmacnoise, a monastery situated in County Offaly in Ireland on the River Shannon south of Athlone. The abbots also bore the title "Comarba of Saint Ciarán", "successor of Saint Ciarán". The following is a list of abbots:

List of abbots to 1539

Name	Life	Comments
Ciarán mac int Sair	d. 9 September 544 or 548/9
Óenu moccu Loigse	died 20 January 570
Mac Nisse	died 13 June 585 or 591	The Annals of Ulster hesitate, suggesting both 585 ("in the 17th year of his abbacy") and 591 as possible dates. Both the Annals of the Four Masters (s.a. 589) and the Annals of Clonmacnoise say that he was abbot for 16 years.
Ailithir	died 599
To Lua Foto (Lucaill)	died 614
Columbán moccu Bairddéni (Columbanus filius Bairddaeni)	died 628
Crónán moccu Loigde	died 18 July 638
Áedlug mac Cammáin	died 26 February 652
Báetán moccu Chormaic	died 1 March 664
Colmán Cass mac Fualascaig	died 665
Cumméne	died 665
Colmán	died 683
Forcrón	died 686
Crónán Becc (Crón)	died 6 April 694
Osséne Frémainne mac Galluist,	deposed before 696/7, died 706
Faílbe Becc	died 713
Cuindles	died 724
Fland Fine ua Colla (Fland Cualann)	died 733
Conmáel ua Lóchéni	died 737
Cellach mac Ségdai	died 740
Commán mac Fáelchon	died 26 December 747
Luccreth (Lucraid)	died 29 April 753
Cormac ua Cairbre Crom	died 762	From the Sil Cairbre Cruim of the Ui Maine
Rónán	died 764
Ua Miannaig	died 768
Folachtach	died 770	Likely from the Ui Chormaic Maenmaige of the Ui Maine
Forbassach ua Cernaig	died 771
Collbran	died 776
Rechtnia (Rechtabrae)	died 784	From the Sil Cairbre Cruim of the Ui Maine
Snéidriagail	died 786
Murgal	died 789
Sóerbergg	died 791
Ioseph ua Cernaig	died 794
Anaile	died 799
Tuathgal	died 811
Foirchellach Fobair	died 814
Suibne mac Cuanach	died 816
Rónán	resigned 823, died 844
Cétadach	died 848	From the Sil Cairbre Cruim of the Ui Maine
Condmach	died 868
Martan of Clonmacnoise	died 869
Ferdomnach of Clonmacnoise	died 872
Eógan Topair	died 876
Máel Tuili ua Cuanach	died 877
Máel Pátraic	died 885
Máel Brigte na Gamnaide	died 892	The Annals of Inisfallen read sub anno 891 read "Mael Petair mac Cúán, took Cluain Ferta Brénainn", and in 895 "Repose of Mael Petair mac Cúán, abbot of Tír dá Glas and Cluain Ferta Brénainn."
Blathmac mac Tairchedaig	died 896	The Annals of Inisfallen sub anno 896 read "The martyrdom of Mael Achid, abbot of Cluain Moccu Nois." Perhaps he replaced Blathmac (or vice versa) only to be subsequently killed in a raid on the monastery.
Dedimus ua Foirbthen	deposed 901, died 923
Ioseph of Lough Con	died 904
Aed mac Ailill	died 916
Colmán mac Ailella	died 926	In 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."
Máel Giric	died 929
Tipraite mac Ainnséine	died 931
Ainmere ua Cathla (ua Cathaláin)	948
Ferdomnach ua Máenaig	died 952	The Annals of Inisfallen state, sub anno 951, that "A foray by Cellachán and by Donnchadh, and they plundered Cluain Ferta Brénainn and Cluain Moccu Nóis."
Célechair mac Robartaig	died 954	Inisfallen says that he was also abbot of Cluain Iraird.
Cormac ua Cillín	died 966
Tuathal	died 971	Inisfallen gives his obit under 972 and AFM under 969.
Dúnchad ua Bráein	Went on pilgrimage to Armagh 976, died 16 January 988/9	Annals of Clonmacnoise state he died in 981.
Máel Finnia mac Speláin (ua Máenaig)	died 992
Ua Beculáin	deposed 1002
Flannchad ua Ruaidíne (ua Ruadáin)	died 1003
Flaithbertach mac Domnaill	died 1014	Inisfallen states that Robartach the Anchorite, rested in Cluain Moccu Nois in 1007, during Flaithbertach's term.
Muiredach mac Mugróin	died 1025
Bressal Conailech	died 1030
Loingsech ua Flaithnén	1042
Echtigern Ua hEaghráin	died 1052
Máel Finnéin mac Cuinn na mBocht	died 1056
Ailill Ua hAirechtaig	died 1070
Máel Ciaráin mac Cuinn na mBocht	died 1079
Tigernach Ua Bráein	died 1088	once held to be the author of the Annals of Tigernach (hence the name), but possibly one of the annalists responsible for the text; was also abbot of Roscommon.[1]
Ailill Ua Nialláin	died 1093
Mac Raith Ua Flaithnén	resigned 1096, died 1100
Cormac mac Cuinn na mBocht	died 1103
Flaithbertach Ua Loingsig	died 1109
Gilla Críst Ua Máel Eóin	died 1127
Domnall Ua Dubthaig	died 17 March 1136
Máel Mochta Ua Fidabra (Ua Máel Sechlainn)	died 1173
Áed Ua Máel Eóin	died 1153
Tigernach Ua Máel Eóin	died 1172
Máel Ciaráin Ua Fidabra	died 1181
Máel Muire Ua Máel Eóin	died 1230
Máel Ciaráin Ó Máel Eóin	died 1263
Tomás	fl. 1268
Pol mac Teige Mac Teithechán	died 1384
Niall Ó Sheridan	fl. 14th century
Cahir Mac Cochláin	died 1539.