Irelyn is a distinctive girls' name in United States, ranking #2396 in 2016 with 78 recorded births. The name reached its all-time peak in 2008 with 176 births ranking #1370. Since 1996, the popularity has increased by 1,014.3%. In 2016, approximately 1 in every 22,711 girls born was named Irelyn. FALLING Recent data shows the name is currently falling.