Gwendalyn is a distinctive girls' name in United States, ranking #6025 in 2021 with 20 recorded births. The name reached its all-time peak in 2008 with 48 births ranking #3444. Since 1996, the popularity has increased by 53.8%. In 2021, approximately 1 in every 81,986 girls born was named Gwendalyn. FALLING Recent data shows the name is currently falling.