Irelyn is a distinctive girls' name in United States, ranking #2518 in 2019 with 70 recorded births. The name reached its all-time peak in 2008 with 176 births ranking #1370. Since 1996, the popularity has increased by 900.0%. In 2019, approximately 1 in every 23,965 girls born was named Irelyn. FALLING Recent data shows the name is currently falling.