Lyn is a distinctive girls' name in United States, ranking #14414 in 2012 with 7 recorded births. This places Lyn in the bottom 26% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1998 with 15 births ranking #6574. Since 1996, the popularity has increased by 40.0%. In 2012, approximately 1 in every 251,535 girls born was named Lyn. RISING Recent data shows the name is currently rising.