Gwenyth is a distinctive girls' name in United States, ranking #1615 in 2009 with 139 recorded births. The name reached its all-time peak in 2013 with 176 births ranking #1332. Since 1996, the popularity has increased by 1,290.0%. In 2009, approximately 1 in every 13,215 girls born was named Gwenyth. STABLE Recent data shows the name is currently stable.