How common is the last name Obrien?

115,547 people in the United States have the last name Obrien, about 1 in 2,587. It ranks #261 of 156,621 last names in the 2020 Census.

last name

OBRIEN

#261

of 156,621 last names recorded in the 2020 Census

People
115,547
About
1 in 2,587
This common or more
25.1%
Who bears it

Of the 115,547 people with the last name Obrien, 91.1% reported their origin as White, 3.4% as Hispanic or Latino and 2.9% as two or more races. These count how people described themselves on the 2020 Census, not where the name comes from.

Either side of Obrien

#259 Lin · 116,776#260 Dominguez · 116,738#262 Morrison · 115,546#263 Carlson · 115,532

Spelled almost the same

2 last names in the 2020 Census spelled within a letter or two of Obrien, most common first.

#10,391 Obrian · 2,949#65,168 Obrion · 329

Also a first name

As a first name, Obrien ranks #26,339 of 53,615, with 354 people. See Obrien as a first name

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