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Brennan Surname History

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Brennan Family Tree

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Famous People named Brennan

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Brennan Country of Origin, Nationality, & Ethnicity

John Brennan Sr. who bought the Postlethwait Hotel in Lexington, KY and ran it as the Brennan Hotel from 1834 to 1846 was born in Ireland. This branch of the family considers themselves of Irish origin.

Brennan Meaning & Etymology

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Brennan Life Expectancy

According to our database of 26,095 people with the last name Brennan that have a birth and death date listed:

Life Expectancy

66.6
years

Most Common Brennan First Names

According to our database of 45,934 people with the last name Brennan that have a first name listed, these are the most common first names:

  • John 7.8%
  • Mary 5.2%
  • James 5.1%
  • Thomas 4.2%
  • William 4.0%
  • Edward 2.3%
  • Joseph 2.3%
  • Michael 2.2%
  • Margaret 2.2%
  • Patrick 1.9%
  • Catherine 1.5%
  • Robert 1.4%
  • Brennan 1.3%
  • Elizabeth 1.2%
  • Francis 1.1%
  • Charles 1.0%
  • George 1.0%
  • Martin 0.9%
  • Helen 0.9%
  • Anna 0.8%
  • Richard 0.7%
  • Ellen 0.7%
  • Peter 0.7%
  • Frank 0.7%
  • Bridget 0.7%
  • Annie 0.6%
  • Daniel 0.5%
  • Alice 0.5%
  • Dorothy 0.5%
  • Ann 0.5%
  • Agnes 0.4%
  • Lawrence 0.4%
  • Florence 0.4%
  • Rose 0.4%
  • Henry 0.4%
  • Andrew 0.4%
  • Julia 0.4%
  • Bernard 0.4%
  • Marie 0.4%
  • Frances 0.4%
  • Raymond 0.4%
  • Sarah 0.4%
  • Walter 0.3%
  • Anne 0.3%
  • Donald 0.3%
  • Leo 0.3%
  • Ruth 0.3%
  • Harry 0.3%
  • Kathleen 0.3%
  • Patricia 0.3%

Brennan Pronunciation & Spelling Variations

The Brennan family of Bourbon County, Kentucky pronounce their surname with the accent on the last syllable: Bruh-NAN.

Last names similar to Brennan

Brennance, Brennand, Brennandeguzman, Brennandennis, Brennane, Brennaner, Brennaneric, Brennangilbert, Brennangross, Brennanhenry, Brennanjohn, Brennanjr, Brennanlawrence, Brennanmichael, Brennanmullins, Brennann, Brennannemetz, Brennannewton, Brennanpettipas, Brennanrichard

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