Lyn is a distinctive girls' name in United States, ranking #10336 in 2006 with 11 recorded births. The name reached its all-time peak in 1998 with 15 births ranking #6574. Since 1996, the popularity has increased by 120.0%. In 2006, approximately 1 in every 172,825 girls born was named Lyn. RISING Recent data shows the name is currently rising.