Gweneth is a distinctive girls' name in United States, ranking #5682 in 2014 with 23 recorded births. The name reached its all-time peak in 2008 with 52 births ranking #3233. Since 1996, the popularity has increased by 360.0%. In 2014, approximately 1 in every 77,649 girls born was named Gweneth. RISING Recent data shows the name is currently rising.