Marly is a distinctive girls' name in United States, ranking #3042 in 2006 with 56 recorded births. The name reached its all-time peak in 2008 with 89 births ranking #2226. Since 1996, the popularity has increased by 115.4%. In 2006, approximately 1 in every 33,948 girls born was named Marly. STABLE Recent data shows the name is currently stable.