If your name is O’Dea, O’Day, O’Dee, Dea, Day or Dee, then you are a member of Clan Uí Deághaidh and this is your Clan web site! A hundred thousand welcomes to you and have a grand time exploring our web site.

Registration for the Clan Reunion in St. Louis St. Charles, Missouri in June 2019 is Now Open
Early Bird Registration for the Clan Reunion in St. Louis St. Charles, Missouri closes on Monday, April 1, 2019.
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Registration for the Clan Reunion in St. Louis St. Charles, Missouri in June 2019 is Now Open
Early Bird Registration for the Clan Reunion in St. Louis St. Charles, Missouri closes on Monday, April 1, 2019 ...
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The Dysert O’Dea Clan is a Registered Member of the Clans of Ireland
The Dysert O'Dea Clan is a Registered Member of the Clans of Ireland ...
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GDPR Compliance
The Clan Web Site is now compliant with the GDPR (General Data Protection Regulation) ...
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Book Launch – Irish South Australia: New histories and insights
Book Launch - Irish South Australia: New histories and insights ...
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Recent News Items from the 10th International Clan Gathering
Recent news items from the 10th International Clan Gathering held in May 2018 in Ennis, Co. Clare ...
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Joan Koechig Inaugurated as Taoiseach (Clan Chieftain)
At a ceremony at the O'Dea Castle during the 10th International Clan Gathering held in May 2018 in Ennis, Co. Clare, Joan Koechig from St. Charles, Missouri, USA was inaugurated ...
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Shane O’Dea elected as Tanaiste (Chieftain Elect)
At the 10th International Clan Gathering held in May 2018 in Ennis, Co. Clare, Shane O’Dea of Blackrock, Co Dublin and formerly of New Road, Ennis, Co Clare, Ireland was ...
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New Branding Adopted by the O’Dea Clan
New branding has been adopted by the O'Dea Clan at the 10th International Clan Gathering in Ennis - May 2018 ...
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A Special DVD Commemorating the Battle of Dysert O’Dea in 1318 is Now on Sale
A special DVD commemorating the Battle of Dysert O'Dea in 1318 is now on sale ...
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Presentation of the Inaugural Clans of Ireland Historical Site Plaque to the O’Dea Clan
At a ceremony at Dysert O’Dea Castle, near Corofin, Co. Clare, Dan McGrath, of the Clans of Ireland Historical Sites Committee, presented the O’Dea Clan with the Inaugural Clans of ...
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Dysert O’Dea Castle Receives Historical Site Status on 700th Anniversary of Battle
Report in the Clare Champion - Dysert O'Dea Castle Receives Historical Site Status on 700th Anniversary of Battle ...
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Presentation to James O’Dea
Presentation to James O’Dea at the farewell banquet held as part of the 10th International Clan Gathering in Ennis on Sunday 13 May 2018 in recognition of his many years ...
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O’Dea Clan Reunion – News Report
Report in the Clare Champion - O'Dea Clan Reunion 2018 ...
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O’Dea Clan Merchandise Items Available for Purchase
O'Dea Clan Merchandise items are available for purchase from the Online Store in Ireland or the Online Store in Australia ...
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Reminder – The Story of a Rebel Clan is Available on CD
Risteard Ua Croinin's book "O’Dea – Ua Deaghaidh: The Story of a Rebel Clan" is now Available on CD ...
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News

The Dysert O’Dea Clan is Registered with the Clans of Ireland
The O'Dea Clan is Registered with the Clans of Ireland ...
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Ennis has been named Ireland’s friendliest town
Ennis has been named Ireland’s friendliest town ...
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The O’Dea/O’Day/Dee (DNA) Project
This is an appeal to O Deas worldwide (and those with derivative surnames such as O Day and Dee) to ...
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Presentations from the Clan Reunion held in Adelaide in April 2017 are Now Available
Presentations from the Clan Reunion held in Adelaide in April 2017 are now available for viewing/downloading ...
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Enhancements to the O’Dea Clan Web Site
To members of the Dysert O'Dea Clan Association, this is to let you know about the recent enhancements to the ...
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Presentations from the Clan Reunion held at Niagara Falls in July 2016 are Now Available
Presentations from the Clan Reunion held at Niagara Falls in July 2016 are now available for viewing/downloading ...
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How to access the O’Dea Clan web site
To members of the Dysert O'Dea Clan Association, this is a reminder about how to access the O'Dea Clan web ...
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Catholic Parish Registers now Online at the National Library of Ireland
Images of Catholic Parish Registers can now be viewed online free of charge at the National Library of Ireland ...
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Ken O’Dea – Book
Lima’s Catcher: Ken O’Dea – is a 170-page, spiral-bound book about an O’Dea family that emigrated from Newmarket-on-Fergus to Lima, ...
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Use your Credit Card or Debit Card to pay your Clan Association Membership
To join the O’Dea Clan Association or renew your membership you may now either pay electronically or by cheque. Electronic ...
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Online Access to Clan Newsletters has been Removed
Due to privacy issues, online access to the Clan Newsletters has been removed from this web site ...
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Clan Videos
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Eire Genealogy Services – Maria O’Brady
Éire Genealogy is an independent research agency which provides advice, assistance and commissioned research options, tailored to meet the specific needs of members of the Irish diaspora, worldwide ...
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Messages

Genealogy Questions
Need help with questions about your O'Dea ancestors? You can submit your questions here ...
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The O’Dea Castle
The authentically restored 15th century Dysert O’Dea castle, the stronghold of the O’Dea clan, houses the Clare Archaeology Centre which was opened in July 1986 and has been the recipient of numerous national awards ...
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Clan History
The O'Dea clan came originally from County Clare where there is a fortified tower house over 500 years old known as O'Dea Castle ...
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Clan Archives
Indexes to the O’Dea Clan Archives are available for online access to financial members of the Dysert O'Dea Clan Association ...
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New Membership
You can join the Clan Association online and pay using your credit card or debit card ...
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Membership Renewal
You can renew your membership of the Clan Association online and pay using your credit card or debit card ...
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Gift Membership
You can purchase a gift membership of the Clan Association online and pay using your credit card or debit card ...
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