Gweneth is a distinctive girls' name in United States, ranking #4490 in 2001 with 27 recorded births. The name reached its all-time peak in 2008 with 52 births ranking #3233. Since 1996, the popularity has increased by 440.0%. In 2001, approximately 1 in every 66,687 girls born was named Gweneth. RISING Recent data shows the name is currently rising.