Brandilyn is a distinctive girls' name in United States, ranking #10237 in 2001 with 9 recorded births. The name reached its all-time peak in 1996 with 16 births ranking #5810. Since 1996, the popularity has decreased by 43.8%. In 2001, approximately 1 in every 200,062 girls born was named Brandilyn. FALLING Recent data shows the name is currently falling.