Gweneth is a distinctive girls' name in United States, ranking #4117 in 2016 with 36 recorded births. The name reached its all-time peak in 2008 with 52 births ranking #3233. Since 1996, the popularity has increased by 620.0%. In 2016, approximately 1 in every 49,208 girls born was named Gweneth. RISING Recent data shows the name is currently rising.