Lyn is a distinctive girls' name in United States, ranking #7115 in 1997 with 13 recorded births. The name reached its all-time peak in 1998 with 15 births ranking #6574. Since 1996, the popularity has increased by 160.0%. In 1997, approximately 1 in every 133,897 girls born was named Lyn. RISING Recent data shows the name is currently rising.