Brandilyn is a distinctive girls' name in United States, ranking #6907 in 1997 with 13 recorded births. The name reached its all-time peak in 1996 with 16 births ranking #5810. Since 1996, the popularity has decreased by 18.8%. In 1997, approximately 1 in every 133,897 girls born was named Brandilyn. FALLING Recent data shows the name is currently falling.