O'Callaghan Family History & Genealogy

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O'Callaghan Surname History

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O'Callaghan Family Tree

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O'Callaghan Country of Origin, Nationality, & Ethnicity

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O'Callaghan Meaning & Etymology

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O'Callaghan Life Expectancy

According to our database of 41 people with the last name O'Callaghan that have a birth and death date listed:

Life Expectancy

60.5
years

Most Common O'Callaghan First Names

According to our database of 117 people with the last name O'Callaghan that have a first name listed, these are the most common first names:

  • William 6.8%
  • John 6.0%
  • Thomas 6.0%
  • James 6.0%
  • Michael 5.1%
  • Edward 5.1%
  • Timothy 3.4%
  • Eugene 3.4%
  • Daniel 2.6%
  • Jeremiah 2.6%
  • Courtney m. 1.7%
  • Patrick 1.7%
  • Maureen 1.7%
  • Andrew 1.7%
  • George 1.7%
  • Denis 1.7%
  • Vincent 1.7%
  • Alice 0.9%
  • Giles 0.9%
  • Eileen 0.9%
  • Barbara 0.9%
  • Robert 0.9%
  • Kathryn 0.9%
  • Joseph 0.9%
  • Agatha 0.9%
  • Lauryn 0.9%
  • Clyde 0.9%
  • Elmer 0.9%
  • Joan 0.9%
  • Donal 0.9%
  • Gerald 0.9%
  • Laurence 0.9%
  • Carolyn 0.9%
  • Helen 0.9%
  • Jana 0.9%
  • Richard 0.9%
  • Desmond 0.9%
  • Infant son 0.9%
  • Hugh 0.9%
  • Frederick 0.9%
  • Wm. 0.9%
  • William a. 0.9%
  • W. a. 0.9%
  • M. 0.9%
  • John w. 0.9%
  • William j. 0.9%
  • P. 0.9%
  • Morris f. 0.9%
  • Marie 0.9%
  • Susan 0.9%

O'Callaghan Pronunciation & Spelling Variations

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Last names similar to O'Callaghan

O' Callaghan, Ocallaghanbrent, Ocallaghann, Ocallaghen, Ocallagher, O'Callaghn, Ocallaghon, Ocallagnan, Ocallaham, Ocallahan, O'Callahan, O' Callahan, O'Callahen, O'Callahun, Ocallana, Ocallanan, O'Callaygham, Ocalle, O'Callegh, Ocalleghan

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