Bayly is a distinctive girls' name in United States, ranking #15777 in 2007 with 6 recorded births. The name reached its all-time peak in 1996 with 9 births ranking #8898. Since 1996, the popularity has decreased by 33.3%. In 2007, approximately 1 in every 320,408 girls born was named Bayly. STABLE Recent data shows the name is currently stable.