Obrien — Last Name Origin & Meaning

European origin Rank #258 in the US 118,557 Americans

US Rank (2010)
#258
▼ Down 24 since 2000
People in the US
118,557
40.19 per 100K people
Origin
European
European

Origin & Meaning of the Obrien Surname

What does the last name Obrien mean?

The surname Obrien carries the meaning "Family name of European origin." It is derived from the European language and has been passed down through generations, reflecting the occupations, locations, or characteristics of early bearers of the name. With 118,557 bearers in the 2010 US Census, Obrien ranks as the #258 most common surname in the United States.

Where does the surname Obrien come from?

The Obrien surname has its roots in European heritage. Names of European origin often reflect the cultural, linguistic, and historical traditions of the communities where they first appeared. Over centuries, migration and cultural exchange have spread the Obrien name far beyond its original homeland.

Language of Origin

The linguistic roots of Obrien trace back to European. Understanding the original language helps decode the meaning and evolution of the name from its earliest recorded forms to the modern spelling used today.

European European

Quick Facts

Surname Obrien
Meaning Family name of European origin
Origin European
Language European
US Rank (2010) #258
US Count (2010) 118,557
Per 100K People 40.19
First Letter O

Ethnic Distribution of Obrien

According to the US Census, the Obrien surname is distributed across the following ethnic groups. This data reflects self-reported ethnicity among 118,557 Americans with the Obrien last name.

White 93.85%
Black 1.29%
Hispanic 2.32%
Asian/PI 0.76%
Native American 0.37%
Two+ Races 1.42%
Ethnic distribution of the Obrien surname in the US (2010 Census)
Ethnicity Percentage
White93.85%
Black1.29%
Hispanic2.32%
Asian/Pacific Islander0.76%
Native American0.37%
Two or More Races1.42%

Popularity of Obrien Over Time

Comparing US Census data from 2000 and 2010 shows how the Obrien surname has changed in prevalence.

Census 2000
#234
115,385 people
Down 24
Census 2010
#258
118,557 people

The number of Americans with the Obrien surname increased by 3,172 between 2000 and 2010.

Discover Your Obrien Ancestry

Uncover your family's history with a DNA test. Learn where your Obrien ancestors came from and connect with relatives worldwide.

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Similar Surnames to Obrien

These surnames share similar popularity, spelling, or cultural background with Obrien.

Other European Surnames

Explore more surnames with European roots. There are 162,254 surnames in our database — here are some that share the same European origin as Obrien.

Frequently Asked Questions About Obrien

The surname Obrien is of European origin. Family name of European origin
The surname Obrien is ranked #258 in the United States with approximately 118,557 people bearing this name as of the 2010 US Census.
Family name of European origin. The name has European roots and has been present in the United States for generations.
According to US Census data, the Obrien surname is distributed as: 93.8% White. This reflects the diverse heritage of Americans with this name.
To trace your Obrien ancestry, consider using DNA testing services like Ancestry.com, 23andMe, or MyHeritage. These services can connect you with relatives and reveal your ethnic heritage and migration patterns.

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