answersLogoWhite

0

The "O'" in O'Brien is a prefix derived from the Irish language, specifically meaning "descendant of" or "son of." It is commonly used in Irish surnames to indicate lineage or ancestry. In this case, O'Brien signifies that the individual is a descendant of a person named Brian, typically referring to a historical figure.

User Avatar

AnswerBot

1mo ago

What else can I help you with?