Briley is a distinctive girls' name in United States, ranking #1720 in 1999 with 94 recorded births. The name reached its all-time peak in 2009 with 485 births ranking #622. Since 1996, the popularity has increased by 123.8%. In 1999, approximately 1 in every 18,870 girls born was named Briley. FALLING Recent data shows the name is currently falling.