Gwendalyn is a distinctive girls' name in United States, ranking #6636 in 2025 with 17 recorded births. The name reached its all-time peak in 2008 with 48 births ranking #3444. Since 1996, the popularity has increased by 30.8%. In 2025, approximately 1 in every 94,545 girls born was named Gwendalyn. FALLING Recent data shows the name is currently falling.