High, noble, or strong
Briunna is a modern American elaboration of the name Brianna, which is the feminine form of the Irish name Brian. It likely derives from the Old Celtic element 'bre' meaning hill or high, signifying social status or physical strength.
Less common today
Briunna isn't in the latest US Top 1000. It last peaked at #6,706 in 1996.
US births per 5-year period, 1990βpresent (SSA data).