Jamilyn is a distinctive girls' name in United States, ranking #16128 in 2020 with 5 recorded births. The name reached its all-time peak in 2007 with 21 births ranking #6419. Since 1996, the popularity has decreased by 54.5%. In 2020, approximately 1 in every 323,102 girls born was named Jamilyn. STABLE Recent data shows the name is currently stable.