O'Brien Family History & Genealogy
O'Brien Last Name History & Origin
Nationality & Ethnicity
These are the earliest records we have of the O'Brien family.
O'Brien Biographies & Family Trees
Find birth, death records, and obituaries of O'Briens on AncientFaces:
Most Common First Names
- John 14.8%
- James 7.6%
- William 6.1%
- Michael 5.6%
- Patrick 5.5%
- Thomas 5.4%
- Edward 2.5%
- Daniel 1.9%
- Joseph 1.7%
- Robert 1.7%
Sample of 6 O'Briens bios
O'Brien Death Records & Life Expectancy
According to our database of 3,143 people with the last name O'Brien that have a birth and death date listed:
These are the longest-lived members of the O'Brien family on AncientFaces.
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