Gwynneth is a distinctive girls' name in United States, ranking #8420 in 2004 with 13 recorded births. The name reached its all-time peak in 2001 with 16 births ranking #6725. Since 1996, the popularity has increased by 85.7%. In 2004, approximately 1 in every 141,240 girls born was named Gwynneth. STABLE Recent data shows the name is currently stable.