Recognised by Clans of Ireland · Patronage of the President of Ireland

Irish Clan Ó Comáin

Caithfidh an stair a bheith i réim — History must prevail

An ancient royal house in the Gaelic nobility of Ireland — a lineage so old it was nearly lost to history. Whether you carry the name, trace your roots to Ireland, or simply love Irish culture and heritage — you are welcome here.

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Our heritage

An ancient royal house in the Gaelic nobility of Ireland

Clan Ó Comáin is an ancient royal house in the Gaelic nobility of Ireland — a lineage centuries old that was almost erased from the record of history. Their ancestral capital, Cahercommane in the Burren, a triple ring stone fort regarded as one of the most important ancient sites in Munster, was a ceremonial inauguration site of the Chiefdom of Tulach Commáin.

Their lineage extends through the kings of Déisi Munster, the royal dynasty of Uí Maine in Connacht, and the spiritual legacy of Saint Commán — founder of Roscommon and the ancient church at Kinvara. A direct male line confirmed by DNA stretches unbroken in Ireland for over 4,000 years.

"From the Chiefdom of Tulach Commáin in early medieval Clare, our clan rises — authenticated and officially recognised by Clans of Ireland under the patronage of the President of Ireland."

Fergus Commane — Chief of Ó Comáin

The name today extends far beyond Ireland. A Commane Road in Baldwinsville, New York, testifies to Famine-era emigration to America. The name appears in France and across the world — carried by families who kept the flame of their Irish identity alive across generations of exile and distance.

Newhall House at dusk — clan seat of Clan Ó Comáin, County Clare

Newhall House — clan seat, Co. Clare

Gate lodges, Newhall Estate

Our heritage

What is an Irish clan?

In traditional Gaelic Ireland, before the Norman conquest, there were hundreds of clans and Kings — each ruling their territory as a form of monarchy and nobility. Chiefs were consecrated from within the noble kin group under Brehon law, which governed succession, land, justice and the responsibilities of leadership. Clan identity was bound to landscape, lineage and a deeply rooted kinship.

Today, modern Irish clans no longer govern. They exist to remember — gathering those who share a name, a bloodline, or a bond to the land. Our titles and structures consciously echo the traditions of the past, preserving a living connection to a heritage that spans over a millennium.

Gaelic warriors — ancient Celtic Ireland

Gaelic warriors of ancient Ireland — the world from which Clan Ó Comáin emerged

Key chapters

A True Gaelic Name Rooted in Early Irish History

658–705 AD

Kings of Déisi Munster

Suibne mac Comáin, king of the Déisi Munster in 658 AD, is one of the earliest historical figures bearing the Comáin name. Célechair mac Comáin was killed in battle in County Clare in 705 AD — placing the name in Clare itself generations before the chiefdom's height.

597–650 AD

Royal line of Uí Maine

Through the Book of Lecan and Book of Leinster, the family traces direct descent from Breanan Dall, 12th King of Uí Maine, whose death is recorded in the Annals of Ulster at 597 AD. His son Coman mac Breanan Dall is the name-giver of the entire clan.

8th–9th century

Chiefdom of Tulach Commáin

The great triple ring stone fort of Cahercommane was the ceremonial capital and inauguration site of the Chiefdom of Tulach Commáin. Excavated by Harvard in 1934, it is regarded as one of the most important ancient sites in Munster. The inner wall alone used 16,500 tons of stone.

747 AD

Saint Commán

Saint Commán founded Roscommon — Ros Commáin, meaning Commán's Wood — and the ancient church at Kinvara on the southern edge of the Burren. His death is recorded in the Annals of Ulster at 747 AD. Roscommon town and county bear his name to this day.

The diaspora

A name carried across the world

A Commane Road in Baldwinsville, New York, testifies to Famine-era emigration to America. The name appears in France, Australia and across the English-speaking world — carried by families who kept the flame of their Irish identity alive across generations of exile and distance.

2025

A new chapter begins

Officially recognised by Clans of Ireland in 2025 under the patronage of the President of Ireland, the clan is now reuniting its worldwide family — Irish Americans, Australians, Europeans and all who feel the call of this ancient Gaelic lineage — under one living community.

Official recognition

Recognised by Clans of Ireland

Clan Ó Comáin was officially recognised by Clans of Ireland — Finte na hÉireann — in 2025, under the patronage of Michael D. Higgins, President of Ireland. Their committee verified the antiquity of the Gaelic name and the clan's rightful place among the historic families of Ireland.

Antoin Commane, Clan Tanist, represented the clan at the 2026 Clans of Ireland gathering in Dublin — the annual assembly of Ireland's recognised Gaelic clans, with chiefs, tanists and representatives from across the Irish world.

Visit Clans of Ireland

Clans of Ireland gathering, Dublin 2026 — Antoin Commane, Clan Tanist, front right

Antoin Commane — Clan Tanist, at Clans of Ireland, Dublin

Our history

4,000 years of documented history

From Bronze Age Ireland to the official recognition of the clan in 2025 — explore the full documented history of Clan Ó Comáin, from prehistoric origins to the present day.

Explore the full timeline

c. 3000 BC

Bronze Age ancestors arrive in Ireland — R-L21 haplogroup confirmed by Big-Y DNA

597 AD

Death of Breanan Dall, 12th King of Uí Maine — Annals of Ulster

658 AD

Suibne mac Comáin dies as king of the Déisi Munster

747 AD

Death of Saint Commán, founder of Roscommon — Annals of Ulster

9th century

Cahercommane built — capital of the Chiefdom of Tulach Commáin

1225 AD

Conall O'Comain dispossessed by the De Burc (Burke) family

1828 AD

John Commane recorded at Ballyea, Killone parish, County Clare

2025

Clan Ó Comáin officially recognised by Clans of Ireland

Heraldry

Coat of arms

The arms of Clan Ó Comáin feature the mystical mermaid of Newhall Lake, playing an Irish harp — symbolising traditional Irish music in the clan's heritage — surrounded by shamrocks representing the protection of the Holy Trinity, the family's saints, and its ecclesiastical heritage.

Only registered clan members are approved by the Chief to use his crest and coat of arms on personal items, stationery, jewellery and ceremonial objects. Membership is open to all who love Irish culture and heritage — wherever in the world you are, whatever name you carry.

Apply for membership

Clan Ó Comáin — coat of arms

Join us

Join Clan Ó Comáin

In a world that has forgotten where it came from, this clan remembers. Open to all who love Ireland and wish to protect its ancient Gaelic culture — Cummins, Commons, Hurley, Commane, and all who feel the call. You do not need the name. You need the call.

Crest & coat of arms

Chief-approved use of the crest and coat of arms on personal items, stationery, jewellery and ceremonial objects

Clan events

Invitations to gatherings and summer festivals at Newhall House — a place of pilgrimage for the Irish diaspora worldwide

Genealogy access

Exclusive access to clan records, DNA research and heritage archives spanning 4,000 years of documented Irish history

Clan newsletter

Regular newsletter with heritage updates, new research, historical discoveries and clan news from Ireland and the diaspora

Official recognition

Recognition as an official member of Clan Ó Comáin — part of a global Irish community acknowledged by Clans of Ireland

Opportunity to progress

The opportunity to take on a role within the clan community and contribute to the revival of this ancient Gaelic lineage