Briony is a moderately popular girls' name in England & Wales, ranking #334 in 2000 with 101 recorded births. This places Briony in the top 6% of ranked UK girls' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 1997 with 101 births ranking #336. In 2000, approximately 1 in every 2,705 girls born was named Briony. FALLING Recent data shows the name is currently falling.