Irelyn is a distinctive girls' name in United States, ranking #2819 in 2018 with 60 recorded births. This places Irelyn in the top 16% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2008 with 176 births ranking #1370. Since 1996, the popularity has increased by 757.1%. In 2018, approximately 1 in every 28,340 girls born was named Irelyn. FALLING Recent data shows the name is currently falling.