Irelyn is a distinctive girls' name in United States, ranking #4394 in 2025 with 32 recorded births. The name reached its all-time peak in 2008 with 176 births ranking #1370. Since 1996, the popularity has increased by 357.1%. In 2025, approximately 1 in every 50,227 girls born was named Irelyn. FALLING Recent data shows the name is currently falling.