Gweneth is a distinctive girls' name in United States, ranking #5325 in 2002 with 22 recorded births. The name reached its all-time peak in 2008 with 52 births ranking #3233. Since 1996, the popularity has increased by 340.0%. In 2002, approximately 1 in every 81,674 girls born was named Gweneth. RISING Recent data shows the name is currently rising.