Gwenyth is a distinctive girls' name in United States, ranking #4163 in 1997 with 26 recorded births. The name reached its all-time peak in 2013 with 176 births ranking #1332. Since 1996, the popularity has increased by 160.0%. In 1997, approximately 1 in every 66,948 girls born was named Gwenyth. STABLE Recent data shows the name is currently stable.