Gwendalyn is a distinctive girls' name in United States, ranking #3877 in 2016 with 39 recorded births. The name reached its all-time peak in 2008 with 48 births ranking #3444. Since 1996, the popularity has increased by 200.0%. In 2016, approximately 1 in every 45,423 girls born was named Gwendalyn. FALLING Recent data shows the name is currently falling.