Gwenyth is a distinctive girls' name in United States, ranking #1562 in 2016 with 143 recorded births. The name reached its all-time peak in 2013 with 176 births ranking #1332. Since 1996, the popularity has increased by 1,330.0%. In 2016, approximately 1 in every 12,388 girls born was named Gwenyth. STABLE Recent data shows the name is currently stable.