Lelyn is a distinctive boys' name in United States, ranking #10286 in 2014 with 7 recorded births. This places Lelyn in the bottom 27% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2014 with 7 births ranking #10286. In 2014, approximately 1 in every 274,348 boys born was named Lelyn. STABLE Recent data shows the name is currently stable.