Marly is a distinctive girls' name in United States, ranking #3635 in 2014 with 43 recorded births. The name reached its all-time peak in 2008 with 89 births ranking #2226. Since 1996, the popularity has increased by 65.4%. In 2014, approximately 1 in every 41,533 girls born was named Marly. STABLE Recent data shows the name is currently stable.