Briony is a distinctive girls' name in England & Wales, ranking #532 in 2003 with 58 recorded births. The name reached its all-time peak in 1997 with 101 births ranking #336. Since 1996, the popularity has decreased by 41.4%. In 2003, approximately 1 in every 4,805 girls born was named Briony. FALLING Recent data shows the name is currently falling.