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O'brien
OriginIrish
Meaning"descendant of Brian"
About O'brien
The use of O-prefixes could create the next wave of Irish-inflected names, offering an innovative way of honoring a relative with the old-fashioned moniker Brian. On Downton Abbey, the surname O'Brien was heard so often, it began to seem like a first.
Pronounced o-BRY-en.
Editor's take: The name O'brien is a boy's name of Irish origin meaning "descendant of Brian".
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