• official clan O'Neill
    t-shirt / jersey
    The Ancient Clan O'Neill are proud to announce that the official clan
    O'Neill t-shirt / jerseyis now available to buy online from O'Neills international sports
  • Tullaghoge Project
    Dympna Heron our liaison officer for the project is publishing an on-going journal
    on this site and keeping everyone updated not only about the dig but also the redevelopment
  • Cineál Eoghain
    Is your Irish surname part of the great Cineál Eoghain click here and find out.
  • Join us for the great Hugh Ó Néill 400th anniversary
    celebration Ireland 2016
    Hugh Ó Néill 400th anniversary
  • Leabhar Uí Néill
    Record you O’Neill family in the Leabhar Ui Neill – Book of O’Neill and make it part of Irish history.

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Find out more about our history culture and geneolgy, and join in on all the discussions.

Leabhar Ui Neill

This is the first time in the history of the great O’Neill clan that every O’Neill has the opportunity to record their own O’Neill family in a census type book that will be held in a time capsule at the famous Tullaghoge hill in County Tyrone, the crowning place of the O’Neill chiefs.

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Genealogy Family research

If you hold the name O’Neill, Neal, Neel, Neil, or any of the various spelling of the name please feel free to join us in our search for our ancestors. On here you will find a bunch of enthusiastic people who help each other find the best way to family research. So please feel free to join, ask as many questions as you want ...

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The 400th anniversary

A week of events have been planned to mark the death of the great Hugh O’Neill, it will be held between the 18th and 26th of June in Counties Tyrone, South Derry and Armagh the very heart of O’Neill country. The event is titled Turas Fillte nagClann because this is a celebration of all Celtic clans from around the world.

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About us

Inspired by events put on that year by Cookstown council, the Stewartstown march and the soon to be opened Hill of O’Neill in Dugannon, a few O’Neill’s together in 2012 and decided the time was right to resurrect a fully functioning O’Neill clan, it went under the name O’Neills of Ulster / Ancient clan O’Neill of Tyrone. The small group in Ulster were quickly joined by O’Neill’s from North America, Australia, Canada and Britain. 

In three years we evolved from a think tank to a fully functioning Clan with a strong hard working committee in Ulster and four branches in the USA. We have come of age in 2015, updated our constituent, changed our name to The Ancient Clan O’Neill, so that all O’Neills from around the world feel free to join us, we created a new crest to represent every O’Neill, Neel, Neil, Neal, Niel and the many variations of the of the name and hope you look on it with pride.

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Board of Guardians

Dan O’Neill
Chief Guardian

Ancient Clan O’Neill, Co Tyrone Ireland

Sean Paddy O’Neill
Head guardian Mid West branch U.S.A

Head guardian Midwest branch U.S.A    

Laurie O’Neill Ries
International coordinator

International coordinator, Head guardian Atlantic branch U.S.

Siobhan O’Neill
Vice Chief Guardian

Ulster Central committee Ancient Clan O’Neill

Sean M O’Neill
Head guardian Ohio valley branch U.S.A

Head guardian Ohio valley branch U.S.A

Dympna Heron Co Tyrone
Ulster central committee

Tullaghoge project, Ulster central committee

Mal O’Neill Co Armagh
Ulster central committee

Mal O’Neill Co Armagh. Ulster central committee

Shauna Duke Co Tyrone
Ulster central committee

Shauna Duke Co Tyrone. Ulster central committee


Cineál Eoghain - O’Neill, O’Hagan,O’Kane,Quinn,Mallon,Donnelly,Devlin and many more.


"Make your O’Neill family part of Irish history"

, Chief Guardian

"History, Genealogy, Culture, Language, Music, Dance, Poetry, Pride"

, Chief Guardian

Calling all O’Neill, Neal, Neel, Niel, Neill, Neil and the many various spellings 

, Chief Guardian

"We are building an O’Neill clan community throughout the world."

, Chief Guardian

Photo Gallery & Recent Posts

03 Nov

Gaelic primitivism? Give it a rest. The Nine Years War (1593-1603) and the zenith of native Irish military power.

The Nine Years war been focus of my study for some years now, in fact longer than the war lasted.

by O'Neill Jim / 5 Comments
08 Sep

Cineál Eoghain History 1

Between 1200 and 1600 the Great O’Neills of Ulster ruled the most powerful and expansive Kingdom in medieval Ireland,  at its apex stretching from Inishowen to Armagh and East of Lough Ne

by Ed Mallon / 5 Comments
26 Aug

Tullaghoge fort survey

Please click on link below for full details


by Dan / 0 Comments
25 May

Brief History

The first people who settled in Ireland were hunters, probably from Scotland, who arrived in Co. Antrim c. 7000 BC.

by Admin / 2 Comments
26 Feb

Hugh O’Neill anniversary

Turas Fíllte nagClann 2016, (The Return of the Clans 2016)

by Admin / 2 Comments
22 Feb

Tullaghoge Project

Tulach Óg or in English - Tullaghoge

by Admin / 0 Comments
10 Jun

The Chieftaincy of Clann Aodh Buidhe

There has been much misinformation spread about the chieftains of the Clann Aodh Buidhe O'Neills through the 16th century.

by Mac an Tíre / 0 Comments
10 May

Dating the "Milesian" Invasion

The most common date given is 1700, but we know this date to be a fabrication.  This date comes from the Annals of the Four Masters.

by Mac an Tíre / 0 Comments
14 Apr

Three Great Chieftains : Sean Donnellach, Turlough Luimneach, and Aodh Ruadh

For most O'Neills, to put these three men together, and say they were all great chieftains, seems almost offensive.  To believe one is a hero, is to believe the other is a scoundrel.

by Mac an Tíre / 0 Comments
14 Mar

Saint Patrick Revealed

I think its a natural thing for a parent to pass on family history to their children, they pass on stories of their own parents, grandparents, favorite unc

by Mac an Tíre / 0 Comments

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O'Neill t-shirt - jersey

The Ancient Clan O'Neill are proud to announce that the official clan O'Neill t-shirt / jersey is now available to buy online from O'Neills international sports. This t-shirt is of the highest quality designed a produced by one of the leading sportswear companies in Ireland and Europe. We would like to thank Managing Director of the Strabane branch Kieran Kennedy and his team for all their support. Please click on link provided to purchase an O'Neill clan shirt and wear it with pride. Buy now as they are only on sale for a limited time

Find out more now!


This is the Offical web site of the O'Neills of Ulster. With the support of our kinsmen, we are coming together to form a strong Celtic community  in Ireland and across the world.

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