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

O'Brien Biographies & Family Trees

Find birth, death records, and obituaries of O'Briens on AncientFaces:

Most Common First Names

  • John 14.8%
  • James 7.6%
  • William 6.1%
  • Michael 5.6%
  • Patrick 5.5%
  • Thomas 5.4%
  • Edward 2.5%
  • Daniel 1.9%
  • Joseph 1.7%
  • Robert 1.7%
  • Dennis 1.6%
  • Charles 1.3%
  • Richard 1.3%
  • George 1.1%
  • Mary 1.0%
  • Francis 0.9%
  • Timothy 0.8%
  • Frank 0.7%
  • Henry 0.7%
  • Jeremiah 0.7%

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:

Other O'Brien Records

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Memories

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