Celtic: In use in England since the Middle Ages. Possibly connected with the Irish word for Hill, thus He ascends. Also some texts define it as strong. 10th century Brian Boru was a high king and great national hero of Ireland.

Similar: Briant , Briar , Brice , Brick , Brickman , Adrian , Aidrian , Anbidian , Andrian , Andswarian , Briant , Gabrian , O'brian