If You Have These 12 Irish Surnames — The 1708 Registers Reveal Which Ancient Clan You Come From

Surname Soup

Surname Soup

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What if your Irish surname could reveal the ancient clan your family belonged to centuries ago?

In this video, we examine records connected to Ireland’s Registry of Deeds, established in 1708, and explore how surnames recorded alongside specific counties, baronies, and ancestral territories can help uncover forgotten clan origins.

Discover the remarkable histories behind these 12 Irish surnames:
Brennan
Dunne
Hogan
O’Grady
O’Shea
Casey
Clancy
Healy
O’Keeffe
Higgins
Considine
Hennessy

Some belonged to powerful Gaelic rulers and royal dynasties. Others served as hereditary lawyers, poets, bishops, church-land keepers, warriors, and trusted advisers to Irish chieftains.

You’ll learn how these families survived conquest, confiscation, plantation, Cromwellian destruction, and centuries of political change—often remaining close to the same territories their ancestors had occupied for generations.

From the Brennan chiefs of Kilkenny and Roscommon to the O’Keeffe kings of Munster, the Clancy brehon lawyers of County Clare, and the Irish soldier who founded Hennessy Cognac in France, every surname carries a story much older than most family records.
Is your surname on the list? Share your surname and number in the comments, and tell us where your Irish ancestors came from.
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