Irelyn is a distinctive girls' name in United States, ranking #2980 in 2017 with 55 recorded births. The name reached its all-time peak in 2008 with 176 births ranking #1370. Since 1996, the popularity has increased by 685.7%. In 2017, approximately 1 in every 31,380 girls born was named Irelyn. FALLING Recent data shows the name is currently falling.