Jamilyn is a distinctive girls' name in United States, ranking #12000 in 2008 with 9 recorded births. The name reached its all-time peak in 2007 with 21 births ranking #6419. Since 1996, the popularity has decreased by 18.2%. In 2008, approximately 1 in every 210,080 girls born was named Jamilyn. STABLE Recent data shows the name is currently stable.