Before Ballinaglera: Reconstructing the Origins of the Ó Maolmochéirghe Family
By the fifteenth century, the Ó Maolmochéirghe family had become firmly established as hereditary church officers, erenaghs and rectors of the churches of Ballinaglera and Drumreilly, within the territory known as Cenél Luacháin. Papal provisions, episcopal appointments and later disputes over church benefices leave little doubt about their prominence within the ecclesiastical life of medieval Bréifne. Their earlier history, however, remains far less certain.
Unlike many medieval Irish families, three separate genealogical traditions survive for Ó Maolmochéirghe, each placing the family within a different political and territorial setting. At first sight these genealogies appear contradictory, but they should not be dismissed for that reason. Medieval Irish genealogies often served purposes beyond recording biological descent. They expressed political allegiance, ecclesiastical affiliation and institutional identity, incorporating learned and hereditary church families into the ancestry of the communities they served. Read in this way, the genealogies become valuable historical evidence, preserving memories of where a family belonged and the networks within which it operated rather than simply recording paternal ancestry.
The earliest surviving tradition appears in the Book of Fenagh, where Ó Maolmochéirghe is placed beneath Luachán within the genealogy of Cenél Luacháin. Significantly, the family is positioned immediately beside Ó Maol Phádraig, suggesting that the compiler regarded the two hereditary church families as closely connected within the same ecclesiastical community. Whether that relationship reflected common ancestry, neighbouring landholding, shared religious service or institutional association can no longer be determined, but their deliberate placement together was almost certainly intentional.
A second genealogy, preserved by the Ó Cléirigh tradition, associates Ó Maolmochéirghe with Cenél Cairpre in the north. This has usually been interpreted as an alternative explanation for the family’s origins. There is, however, another possibility. By the time these genealogies were compiled, hereditary surnames had existed for centuries and many families had already divided into distinct regional branches. The Cenél Cairpre pedigree may therefore preserve the ancestry of a northern branch of Ó Maolmochéirghe rather than that of the Ballinaglera erenaghs. If so, it need not contradict the other traditions at all, but instead records the history of a separate line that had become established much farther north.
The third genealogy was recorded by Dubhaltach Mac Fhirbhisigh specifically for the Ballinaglera erenagh family. Unlike the previous traditions, it associates Ó Maolmochéirghe with Uí Briúin Aí, placing the family within the political world of the Mac Diarmada rulers of Moylurg. At first glance this appears difficult to reconcile with the Cenél Luacháin pedigree. When viewed alongside the wider historical evidence, however, these two traditions may preserve different stages in the history of the same family rather than competing accounts of its origin.
To understand why, it is necessary to look beyond the genealogies themselves and examine the landscape in which the family first emerged.
Long before the rise of the Mac Diarmada lordship, the country surrounding Ardcarne, Lough Cé and the Moytura plain formed part of the wider Conmaicne world. Although political boundaries shifted repeatedly during the early medieval period, the older Conmaicne character of this landscape remained deeply embedded within its ecclesiastical organisation. Cenél Luacháin itself represented one branch of this broader Conmaicne population. If Ó Maolmochéirghe originated within the early church landscape centred on Ardcarne, their later association with Cenél Luacháin would therefore be entirely consistent with an origin in this older Conmaicne territory rather than evidence that the family first emerged in Ballinaglera.
Seen in this light, the Book of Fenagh genealogy takes on a different significance. Rather than drawing the family away from Ardcarne, it may preserve a memory of those earlier Conmaicne associations. Mac Fhirbhisigh’s genealogy, by contrast, reflects the later political reality in which the same churches had become incorporated into the kingdom of the Mac Diarmada under Uí Briúin Aí influence. The two traditions need not contradict one another. Instead, they may preserve successive chapters in the evolution of the same ecclesiastical family.
Independent support for this interpretation comes from the traditions surrounding St Beo-Aedh, later known as St Hugh. Ardcarne was one of the principal centres of his cult, and throughout the Middle Ages the monastery remained closely associated with the saint and his relics. Among the most important was the celebrated Bell of St Hugh, one of the great hereditary shrine bells of western Connacht. Like many Irish shrine bells, it represented far more than a sacred relic. It embodied the authority of its founding saint, accompanied legal proceedings, confirmed solemn oaths and symbolised the continuity of the ecclesiastical community entrusted with its care.
Equally significant is the enduring local tradition preserved in Ballinaglera, which remembers that the Bell of St Hugh came from Ardcarne. Whether every detail of that tradition can now be verified is less important than the memory itself. It preserves an understanding, maintained over many centuries, that Ballinaglera was not an isolated religious foundation but belonged to the same ecclesiastical tradition centred upon Ardcarne and the cult of St Beo-Aedh.
This remembered connection becomes especially important when viewed alongside the later history of Ó Maolmochéirghe. The family eventually emerged as the hereditary custodians of the churches of Ballinaglera and Drumreilly. If the church itself retained a tradition linking its origins to Ardcarne through the Bell of St Hugh, then it is entirely plausible that the hereditary church family followed the same historical path. The tradition cannot prove that Ó Maolmochéirghe originated at Ardcarne, but it forms an important piece of circumstantial evidence linking their later home with one of the principal ecclesiastical centres of western Connacht.
The documentary record reinforces this impression. Throughout the later Middle Ages, disputes involving members of the family repeatedly extended far beyond Ballinaglera itself. Their affairs drew in the dioceses of Elphin, Achonry, Ardagh and Kilmore, demonstrating that they operated within an ecclesiastical network stretching across the churches of Lough Cé, the old Conmaicne territories and into Bréifne. Such a broad geographical pattern is difficult to explain if the family had always belonged exclusively to Ballinaglera. It becomes far more understandable if their earlier history lay within the wider ecclesiastical landscape centred upon Ardcarne.
Political geography points in the same direction. By the later medieval period, Ardcarne lay within the kingdom of the Mac Diarmada, whose rulers became the principal patrons of the churches surrounding Lough Cé. It is therefore noteworthy that the genealogy preserved by Mac Fhirbhisigh places the Ballinaglera branch of Ó Maolmochéirghe precisely within this political sphere. Rather than standing in isolation, the genealogy accords remarkably well with the ecclesiastical traditions, the geography and the documentary record.
The three genealogies should therefore not be viewed simply as competing explanations for the family’s ancestry. The Cenél Cairpre pedigree may preserve the history of a separate northern branch. The Book of Fenagh records the Ballinaglera family’s incorporation into the ecclesiastical community of Cenél Luacháin, itself rooted in the older Conmaicne landscape. Mac Fhirbhisigh’s genealogy reflects the later political world of Uí Briúin Aí and the Mac Diarmada lordship that dominated Ardcarne and Lough Cé. Rather than contradicting one another, these traditions may preserve different historical memories of the same family as political authority, territorial organisation and ecclesiastical administration evolved over time.
The surviving evidence does not allow the earliest history of Ó Maolmochéirghe to be reconstructed with complete certainty. Yet when the genealogies are considered alongside the older Conmaicne character of the Ardcarne and Moytura landscape, the traditions of St Beo-Aedh and St Hugh, the remembered journey of the saint’s bell from Ardcarne to Ballinaglera, and the wider ecclesiastical geography preserved in the documentary record, a remarkably consistent picture begins to emerge. None of these strands alone proves the family’s earliest origin. Together, however, they point towards an ecclesiastical community whose roots lay within the religious landscape of Ardcarne and Lough Cé long before the family became established in Cenél Luacháin.
What is perhaps most striking is not simply the number of these connections, but their remarkable persistence. They were not confined to a single generation or created by a single political event. Instead, they reappear across centuries in local tradition, ecclesiastical patronage, papal records, genealogies and church disputes, suggesting relationships that endured long after the political landscape itself had changed.
One glimpse of that continuity appears as late as 1587, when the Annals of Loch Cé record the death of a daughter of Brian Mac Diarmada Ruadh, the wife of Cathal, erenagh of Ballinaglera. By then, centuries had passed since the earliest traditions explored in this article, yet the connection between the hereditary church family of Ballinaglera and the ruling house of Moylurg still survived. Rather than representing a new alliance, this marriage appears to have been one of the final visible expressions of a relationship whose origins reached much further back in time.
That single marriage is only one example. As the documentary record unfolds, many more connections between Ó Maolmochéirghe, Ardcarne, the Mac Diarmada dynasty and the wider ecclesiastical landscape will emerge. Individually they may appear incidental. Collectively they reveal relationships that endured through many generations. The origins of Ó Maolmochéirghe therefore do not end with the genealogies. They are merely the opening chapter of a much longer story, one in which the same families, churches, patrons and places continue to appear together again and again across the medieval history of Connacht and Bréifne.
References
Annals of Loch Cé. Edited by William M. Hennessy. 2 vols. London: Longmans, Green, Reader, and Dyer, 1871.
Etchingham, Colmán, and Catherine Swift. Early Irish Church Organisation: The Case of Drumlease and the Book of Armagh. Breifne 10, no. 37 (2001).
Fitzpatrick, Ian, and Mike Fitzpatrick. “Ó Maol Phádraig: The Name, the People, and the Clans. Part II.” Journal of the Fitzpatrick Clan Society 5 (2024).
Mac Fhirbhisigh, Dubhaltach. Leabhar na nGenealach: The Great Book of Irish Genealogies. Edited by Nollaig Ó Muraíle. 5 vols. Dublin: De Búrca, 2003–2004.
Mac Fhirbhisigh, Dubhaltach. The Genealogies, Tribes, and Customs of Hy-Fiachrach, Commonly Called O’Dowda’s Country. Edited and translated by John O’Donovan. Dublin: Irish Archaeological Society, 1844.
Ó Cléirigh, Cú Choigcríche, et al. Leabhar Gabhála and associated genealogical collections. Various manuscript recensions.
Ó Scea, Breandán. “Conflict over the Rectory of Cinél Luacháin.”
Parkinson, A., and Murphy, T. “Memorialisation, Settlement and Identity in Post-Plantation Ulster: Ardess Old Graveyard.”
Stokes, Whitley, ed. and trans. The Tripartite Life of Patrick. London: Eyre & Spottiswoode, 1887.
The Book of Fenagh (Leabhar Fhionncha). Edited and translated by W. M. Hennessy. Dublin: Royal Irish Academy, 1875.
Woulfe, Patrick. Irish Names and Surnames. Dublin: M. H. Gill & Son, 1923.
Local Traditions
Ballinaglera Heritage Group. Historical material relating to St Hugh (St Beo-Aedh), the Bell of St Hugh, and the ecclesiastical traditions of Ballinaglera.
Ballinaglera Parish. Historical notes on St Hugh, Ballinaglera, and the parish traditions.
Dowra Heritage. Historical traditions concerning St Hugh, Ardcarne, Ballinaglera and the Bell of St Hugh.
Two corrections: “Conflict over the Rectory of Cinél Luacháin” was written by Joseph E. Earley Sr and Leonard E. Boyle, not Breandán Ó Scea. It appeared in Breifne 9, no. 35 (1999), pages 103–113. The Ardess study was written by Eóin W. Parkinson and Eileen M. Murphy and published in 2017.