Darlyn is a distinctive boys' name in United States, ranking #8146 in 2006 with 9 recorded births. This places Darlyn in the bottom 42% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2006 with 9 births ranking #8146. In 2006, approximately 1 in every 228,347 boys born was named Darlyn. FALLING Recent data shows the name is currently falling.