High, noble, or exalted
Briyonna is a modern American creative elaboration of the name Brianna. It ultimately derives from the Celtic element 'bre', meaning hill or high, signifying nobility and strength.
Less common today
Briyonna isn't in the latest US Top 1000. It last peaked at #7,060 in 2000.
US births per 5-year period, 1990βpresent (SSA data).