O'Brien Family History & Genealogy

30 photos, 7,996 biographies, and last name history of the O'Brien family, shared by AncientFaces Members.
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Latest O'Brien Photos

These photos contain people with the O'Brien last name.

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O'Brien Last Name History & Origin

History

Name Origin

Nationality & Ethnicity

Early O'Briens

These are the earliest records we have of the O'Brien family.

O'Brien Death Records & Life Expectancy

According to our database of 3,143 people with the last name O'Brien that have a birth and death date listed:

Life Expectancy

57.4 years

Oldest O'Briens

These are the longest-lived members of the O'Brien family on AncientFaces.

Other O'Brien Records

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Memories

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