Gwenyth is a distinctive girls' name in United States, ranking #2899 in 1998 with 45 recorded births. The name reached its all-time peak in 2013 with 176 births ranking #1332. Since 1996, the popularity has increased by 350.0%. In 1998, approximately 1 in every 39,264 girls born was named Gwenyth. STABLE Recent data shows the name is currently stable.