Gwenyth is a distinctive girls' name in United States, ranking #1718 in 2014 with 122 recorded births. The name reached its all-time peak in 2013 with 176 births ranking #1332. Since 1996, the popularity has increased by 1,120.0%. In 2014, approximately 1 in every 14,639 girls born was named Gwenyth. STABLE Recent data shows the name is currently stable.