Briony is a distinctive girls' name in England & Wales, ranking #581 in 2004 with 53 recorded births. The name reached its all-time peak in 1997 with 101 births ranking #336. Since 1996, the popularity has decreased by 46.5%. In 2004, approximately 1 in every 5,393 girls born was named Briony. FALLING Recent data shows the name is currently falling.