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O'Neill Family History & Genealogy

1,450 biographies and 16 photos with the O'Neill last name. Discover the family history, nationality, origin and common names of O'Neill family members.
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O'Neill Last Name History & Origin

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Updated Sep 03, 2022

History

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Name Origin

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Spellings & Pronunciations

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Nationality & Ethnicity

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Famous People named O'Neill

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Early O'Neills

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

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O'Neill Family Tree

Discover the most common names, oldest records and life expectancy of people with the last name O'Neill.

Most Common First Names

Updated O'Neill Biographies


Popular O'Neill Biographies

O'Neill Death Records & Life Expectancy

The average age of a O'Neill family member is 65.0 years old according to our database of 1,332 people with the last name O'Neill that have a birth and death date listed.

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Other O'Neill Records

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