Jamilyn is a distinctive girls' name in United States, ranking #12753 in 2002 with 7 recorded births. The name reached its all-time peak in 2007 with 21 births ranking #6419. Since 1996, the popularity has decreased by 36.4%. In 2002, approximately 1 in every 256,689 girls born was named Jamilyn. STABLE Recent data shows the name is currently stable.