Marly is a distinctive girls' name in United States, ranking #2820 in 2009 with 63 recorded births. The name reached its all-time peak in 2008 with 89 births ranking #2226. Since 1996, the popularity has increased by 142.3%. In 2009, approximately 1 in every 29,157 girls born was named Marly. STABLE Recent data shows the name is currently stable.