Briony is a distinctive girls' name in England & Wales, ranking #836 in 2007 with 38 recorded births. The name reached its all-time peak in 1997 with 101 births ranking #336. Since 1996, the popularity has decreased by 61.6%. In 2007, approximately 1 in every 8,056 girls born was named Briony. FALLING Recent data shows the name is currently falling.