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Oneil Family History & Genealogy

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Oneil Surname History

The family history of the Oneil last name is maintained by the AncientFaces community. Join the community by adding to to this genealogy of the Oneil:

  • Oneil country of origin, nationality, & ethnicity
  • Oneil last name meaning & etymology
  • Oneil spelling & pronunciation
  • genealogy and family tree

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Oneil Country of Origin, Nationality, & Ethnicity

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Oneil Meaning & Etymology

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Oneil Life Expectancy

According to our database of 11,673 people with the last name Oneil that have a birth and death date listed:

Life Expectancy

71.9
years

Oneil Family Tree

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Famous People named Oneil

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Most Common Oneil First Names

According to our database of 19,833 people with the last name Oneil that have a first name listed, these are the most common first names:

  • John 6.3%
  • Mary 4.4%
  • James 4.1%
  • William 3.9%
  • Thomas 2.3%
  • Margaret 1.9%
  • Robert 1.8%
  • Joseph 1.6%
  • Charles 1.6%
  • Edward 1.4%
  • Michael 1.4%
  • George 1.1%
  • Francis 1.1%
  • Catherine 1.0%
  • Oneil 1.0%
  • Helen 1.0%
  • Elizabeth 1.0%
  • Patrick 0.9%
  • Richard 0.8%
  • Daniel 0.8%
  • David 0.7%
  • Henry 0.7%
  • Ellen 0.7%
  • Frank 0.7%
  • Arthur 0.6%
  • Alice 0.6%
  • Walter 0.6%
  • Dorothy 0.5%
  • Anna 0.5%
  • Annie 0.5%
  • Paul 0.5%
  • Donald 0.5%
  • Florence 0.5%
  • Rose 0.4%
  • Frances 0.4%
  • Hugh 0.4%
  • Agnes 0.4%
  • Ann 0.4%
  • Bridget 0.4%
  • Peter 0.4%
  • Harry 0.4%
  • Eugene 0.4%
  • Bernard 0.4%
  • Harold 0.4%
  • Raymond 0.4%
  • Stephen 0.4%
  • Jane 0.3%
  • Irene 0.3%
  • Ruth 0.3%
  • Marie 0.3%

Oneil Pronunciation & Spelling Variations

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