O'Connor Family History & Genealogy

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O'Connor Surname History

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O'Connor Family Tree

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Famous People named O'Connor

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O'Connor Country of Origin, Nationality, & Ethnicity

County Cork, Ireland

O'Connor Meaning & Etymology

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O'Connor Life Expectancy

According to our database of 2,164 people with the last name O'Connor that have a birth and death date listed:

Life Expectancy

57.0
years

Most Common O'Connor First Names

According to our database of 4,121 people with the last name O'Connor that have a first name listed, these are the most common first names:

  • John 12.4%
  • James 6.6%
  • Thomas 6.1%
  • Patrick 4.6%
  • William 4.1%
  • Michael 3.9%
  • Daniel 2.8%
  • Edward 2.2%
  • Joseph 1.9%
  • Timothy 1.8%
  • Charles 1.7%
  • Robert 1.7%
  • Mary 1.5%
  • Dennis 1.4%
  • George 1.1%
  • Francis 1.0%
  • Richard 0.9%
  • David 0.9%
  • Cornelius 0.8%
  • Jeremiah 0.7%
  • Frank 0.7%
  • Peter 0.7%
  • Martin 0.7%
  • Margaret 0.6%
  • Arthur 0.6%
  • Eugene 0.6%
  • Elizabeth 0.5%
  • Maurice 0.5%
  • Helen 0.4%
  • Raymond 0.4%
  • Paul 0.4%
  • Andrew 0.4%
  • Donald 0.4%
  • Bernard 0.4%
  • Lawrence 0.4%
  • Anna 0.4%
  • Dorothy 0.4%
  • Henry 0.3%
  • Catherine 0.3%
  • Patricia 0.3%
  • Ruth 0.3%
  • Hugh 0.3%
  • Kathleen 0.3%
  • Gerald 0.3%
  • Walter 0.3%
  • Eleanor 0.3%
  • Brian 0.3%
  • Owen 0.3%
  • Marie 0.3%
  • Roderick 0.2%

O'Connor Pronunciation & Spelling Variations

O'Connor is also spelled O'Conner or without the apostrophe, Oconnor.

Last names similar to O'Connor

O' Connor, O'Connor', Oconnorbrett, Oconnorcarl, Oconnorcasey, Oconnorchristopher, Oconnorclaude, Oconnorcoburn, O'Connor Cooper, Oconnordavid, Oconnordeane, Oconnordennis, Oconnore, Oconnoredward, O'Connor Franz, Oconnorjohn, Oconnorjoseph, Oconnorjr, Oconnorkassnel, Oconnorlewis

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