Gwenyth is a distinctive girls' name in United States, ranking #1708 in 2007 with 128 recorded births. The name reached its all-time peak in 2013 with 176 births ranking #1332. Since 1996, the popularity has increased by 1,180.0%. In 2007, approximately 1 in every 15,019 girls born was named Gwenyth. STABLE Recent data shows the name is currently stable.