Marly is a distinctive girls' name in United States, ranking #2776 in 2010 with 64 recorded births. The name reached its all-time peak in 2008 with 89 births ranking #2226. Since 1996, the popularity has increased by 146.2%. In 2010, approximately 1 in every 27,771 girls born was named Marly. STABLE Recent data shows the name is currently stable.