O'Neill Family History & Genealogy

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O'Neill Surname History

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  • O'Neill country of origin, nationality, & ethnicity
  • O'Neill last name meaning & etymology
  • O'Neill spelling & pronunciation
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O'Neill Family Tree

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Famous People named O'Neill

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O'Neill Country of Origin, Nationality, & Ethnicity

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O'Neill Meaning & Etymology

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O'Neill Life Expectancy

According to our database of 1,264 people with the last name O'Neill that have a birth and death date listed:

Life Expectancy

62.3
years

Most Common O'Neill First Names

According to our database of 2,246 people with the last name O'Neill that have a first name listed, these are the most common first names:

  • John 10.0%
  • James 7.4%
  • William 4.5%
  • Thomas 4.0%
  • Patrick 3.2%
  • Charles 2.8%
  • Edward 2.6%
  • Michael 2.6%
  • Joseph 2.4%
  • Robert 2.4%
  • Frank 1.5%
  • Daniel 1.5%
  • Francis 1.4%
  • Mary 1.4%
  • Henry 1.3%
  • Hugh 1.0%
  • Richard 1.0%
  • Eugene 0.9%
  • George 0.8%
  • Bernard 0.8%
  • Peter 0.8%
  • Margaret 0.8%
  • Donald 0.7%
  • Dennis 0.6%
  • David 0.6%
  • Walter 0.5%
  • Arthur 0.5%
  • Anna 0.5%
  • Raymond 0.5%
  • Vincent 0.4%
  • Timothy 0.4%
  • Harry 0.4%
  • Dorothy 0.4%
  • Lawrence 0.4%
  • Betty 0.4%
  • Patricia 0.4%
  • Barbara 0.4%
  • Catherine 0.4%
  • Evelyn 0.4%
  • Owen 0.3%
  • Paul 0.3%
  • Harold 0.3%
  • Martin 0.3%
  • Helen 0.3%
  • Brian 0.3%
  • Terrence 0.3%
  • Alice 0.3%
  • Florence 0.3%
  • John h. 0.3%
  • Elizabeth 0.3%

O'Neill Pronunciation & Spelling Variations

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Last names similar to O'Neill

O' Neill, O'néill, O'Neill 2", Oneillajohn, Oneillbutler, Oneillchristooher, Oneilldo, Oneille, O Neille, O'Neille, Oneilledwards, Oneillerik, Oneilleugene, Oneillfcarrasquillo, Oneillfrancisco, Oneillion, Oneilljason, Oneilljimmy, Oneilljohn, Oneilljr