Given name & surname
O'brien
“descendant of Brian”
O'Brien is a surname from Irish.
Meaning & origin
What it means
O'Brien goes back to a word meaning “descendant of Brian.”
Adapted from Wiktionary (CC BY-SA 4.0)
People named O'brien
Listed by how widely each person is written about, which says nothing about the name itself.
Similar names
If you love O'brien, these share its style, era, origin or sound, from outside its own family.
O'ryan
O'Ryan is a surname from Irish.
>99% boys
O'Guin
“descendant of Conn”
—
Odhrán
“dun”
>99% boys
O'Guinn
“descendant of Conn”
—
O'Flynn
O'Flynn is a surname from Irish.
—
O'Beirne
“descendant of Bran”
—
O'Gorman
“descendant of Gormán”
—
O'banion
O'Banion is a surname from Irish.
—