Gwendalyn is a distinctive girls' name in United States, ranking #5217 in 2018 with 25 recorded births. The name reached its all-time peak in 2008 with 48 births ranking #3444. Since 1996, the popularity has increased by 92.3%. In 2018, approximately 1 in every 68,017 girls born was named Gwendalyn. FALLING Recent data shows the name is currently falling.