Bayly is a distinctive girls' name in United States, ranking #11543 in 1999 with 7 recorded births. The name reached its all-time peak in 1996 with 9 births ranking #8898. Since 1996, the popularity has decreased by 22.2%. In 1999, approximately 1 in every 253,397 girls born was named Bayly. STABLE Recent data shows the name is currently stable.