O'Sullivan Family History & Genealogy

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O'Sullivan Surname History

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  • O'Sullivan last name meaning & etymology
  • O'Sullivan spelling & pronunciation
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O'Sullivan Family Tree

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Famous People named O'Sullivan

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O'Sullivan Country of Origin, Nationality, & Ethnicity

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O'Sullivan Meaning & Etymology

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O'Sullivan Life Expectancy

According to our database of 236 people with the last name O'Sullivan that have a birth and death date listed:

Life Expectancy

58.9
years

Most Common O'Sullivan First Names

According to our database of 613 people with the last name O'Sullivan that have a first name listed, these are the most common first names:

  • John 10.0%
  • Patrick 6.2%
  • Daniel 5.9%
  • Michael 5.2%
  • James 4.9%
  • Timothy 4.4%
  • Dennis 3.6%
  • Jeremiah 2.9%
  • Eugene 2.9%
  • William 2.4%
  • Thomas 2.0%
  • Francis 1.8%
  • Cornelius 1.8%
  • Margaret 1.3%
  • Charles 1.1%
  • Robert 1.0%
  • Edward 0.8%
  • Mary 0.8%
  • Lawrence 0.8%
  • Florence 0.8%
  • Infant 0.7%
  • Christopher 0.7%
  • David 0.7%
  • Jerry 0.7%
  • Dorothy 0.7%
  • Joseph 0.7%
  • George 0.7%
  • Katherine 0.7%
  • Martin 0.7%
  • Gerald 0.7%
  • Catherine 0.7%
  • Elizabeth 0.5%
  • Peter 0.5%
  • Maureen 0.5%
  • Mortimer 0.5%
  • Stephen 0.5%
  • Paul 0.5%
  • Maurice 0.3%
  • Marion 0.3%
  • Gertrude 0.3%
  • John d. 0.3%
  • Daniel f. 0.3%
  • Edson 0.3%
  • Virginia 0.3%
  • Henry 0.3%
  • Philip 0.3%
  • Frank 0.3%
  • Irene 0.3%
  • Arthur 0.3%
  • Thade 0.3%

O'Sullivan Pronunciation & Spelling Variations

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Last names similar to O'Sullivan

O'Sullivan Beare of Ardea, Osullivanjohn, Osullivanm, Osullivantimothy, Osulliven, O'Sullivent, Osullivian, Osulllivan, Osulluvan, O'Sullvan, O' Sullvan, Osullvian, Osullzv, O'Sulovan, O'Suloven, Osulphus, Osulsdatter, Osulsen, Osulson, Osulvsdatter

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