Jamilyn is a distinctive girls' name in United States, ranking #6419 in 2007 with 21 recorded births. The name reached its all-time peak in 2007 with 21 births ranking #6419. Since 1996, the popularity has increased by 90.9%. In 2007, approximately 1 in every 91,545 girls born was named Jamilyn. STABLE Recent data shows the name is currently stable.