Lyn is a distinctive girls' name in United States, ranking #13543 in 2017 with 7 recorded births. The name reached its all-time peak in 1998 with 15 births ranking #6574. Since 1996, the popularity has increased by 40.0%. In 2017, approximately 1 in every 246,554 girls born was named Lyn. RISING Recent data shows the name is currently rising.