In Celtic, name Briannon means – Strong. She ascends. Feminine of Brian.. Other origins for name Briannon include – Celtic, Irish, English. Name Briannon is most often used as a girl name or female name.
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In Celtic, name Briannon means – Strong. She ascends. Feminine of Brian.. Other origins for name Briannon include – Celtic, Irish, English. Name Briannon is most often used as a girl name or female name.