How Many People Have the Last Name Obrien?
people had the surname Obrien in the 2010 US Census
About 1 in 2,488 people in the Census had this surname
Source: Census Bureau surname list
Surname Rank
Of 162,253 surnames
Per 100,000 People
In 2010
Largest Group
White
Change Since 2000
+3,172 people
👥 Race and Hispanic Origin
Most people with the surname Obrien (93.9%) are non-Hispanic White. Among surnames where most people are non-Hispanic White, Obrien ranks #188. The mix barely changed from 2000: no group's share moved by 2 points or more.
📈 Change Since 2000
Obrien grew from 115,385 people in 2000 to 118,557 in 2010 (up 2.7%), and its rank fell from #234 to #258. The population grew faster, so its share still fell, from 42.77 to 40.19 people per 100,000.
| 2000 | 2010 | |
|---|---|---|
| People | 115,385 | 118,557 |
| Rank | #234 | #258 |
| Per 100,000 people | 42.77 | 40.19 |
🏆 Surnames Ranked Near Obrien
🔊 Surnames That Sound Alike
Same Soundex code as Obrien: O165
👤 Obrien as a First Name
Obrien is a first name too: about 195 people alive in the US today have it as a first name, an estimate from Social Security birth records.
🧮 Your First Name + Obrien
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