Erynn is a distinctive girls' name in United States, ranking #6185 in 2025 with 19 recorded births. The name reached its all-time peak in 1999 with 73 births ranking #2101. Since 1996, the popularity has decreased by 62.0%. In 2025, approximately 1 in every 84,593 girls born was named Erynn. RISING Recent data shows the name is currently rising.