Gwendolen is a distinctive girls' name in United States, ranking #13857 in 2011 with 7 recorded births. The name reached its all-time peak in 2015 with 27 births ranking #5030. Since 1996, the popularity has increased by 40.0%. In 2011, approximately 1 in every 251,258 girls born was named Gwendolen. FALLING Recent data shows the name is currently falling.