Gwenyth is a distinctive girls' name in United States, ranking #1632 in 2005 with 123 recorded births. The name reached its all-time peak in 2013 with 176 births ranking #1332. Since 1996, the popularity has increased by 1,130.0%. In 2005, approximately 1 in every 15,022 girls born was named Gwenyth. STABLE Recent data shows the name is currently stable.