Gwenyth is a distinctive girls' name in United States, ranking #1502 in 2011 with 149 recorded births. The name reached its all-time peak in 2013 with 176 births ranking #1332. Since 1996, the popularity has increased by 1,390.0%. In 2011, approximately 1 in every 11,804 girls born was named Gwenyth. STABLE Recent data shows the name is currently stable.