O'Brien
Descendant of Brian
Gender
Unisex
Origin
Irish
Language
Irish
Country
Ireland
Length
7 letters
Lucky number
9
Zodiac
Taurus
Popularity
855
About the name O'Brien
Meaning Descendant of Brian, 'high, noble', O'Brien is a proud Irish family name carried for centuries. You'll find it among well-known Irish last names and Irish names.
Origin & meaning
The name carries Irish roots, with the core sense of “Descendant of Brian”.
Frequently asked questions
What does the name O'Brien mean?
O'Brien means "Descendant of Brian", and is of Irish origin.
Is O'Brien a boy or a girl name?
O'Brien is commonly used as a unisex name.
What is the origin of the name O'Brien?
The name O'Brien originates from Irish.