Gwynneth is a distinctive girls' name in United States, ranking #9059 in 2002 with 11 recorded births. The name reached its all-time peak in 2001 with 16 births ranking #6725. Since 1996, the popularity has increased by 57.1%. In 2002, approximately 1 in every 163,347 girls born was named Gwynneth. STABLE Recent data shows the name is currently stable.