Gwenyth is a distinctive girls' name in United States, ranking #1421 in 2010 with 161 recorded births. The name reached its all-time peak in 2013 with 176 births ranking #1332. Since 1996, the popularity has increased by 1,510.0%. In 2010, approximately 1 in every 11,039 girls born was named Gwenyth. STABLE Recent data shows the name is currently stable.