O'Leary Family History & Genealogy

6 photos, 924 biographies, and last name history of the O'Leary family, shared by AncientFaces Members.
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Latest O'Leary Photos

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

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Biographies & Family Trees

Most Common First Names

  • John 10.5%
  • Timothy 4.7%
  • Daniel 4.3%
  • James 4.1%
  • Michael 3.9%
  • Patrick 3.7%
  • Thomas 3.6%
  • William 3.6%
  • Dennis 3.0%
  • Jeremiah 2.8%
  • Joseph 2.5%
  • Robert 2.2%
  • Arthur 2.1%
  • Cornelius 2.1%
  • Edward 1.7%
  • Charles 1.2%
  • Richard 1.2%
  • Mary 1.1%
  • Margaret 1.0%
  • Helen 0.9%

O'Leary Last Name History & Origin

History

Name Origin

Nationality & Ethnicity

Early O'Learies

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

O'Leary Death Records & Life Expectancy

According to our database of 532 people with the last name O'Leary that have a birth and death date listed:

Life Expectancy

63.7 years

Oldest O'Learies

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

Other O'Leary Records

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Memories

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