Gwynneth is a distinctive girls' name in United States, ranking #8001 in 2006 with 15 recorded births. The name reached its all-time peak in 2001 with 16 births ranking #6725. Since 1996, the popularity has increased by 114.3%. In 2006, approximately 1 in every 126,738 girls born was named Gwynneth. STABLE Recent data shows the name is currently stable.