Marily is a distinctive girls' name in United States, ranking #4514 in 2008 with 34 recorded births. The name reached its all-time peak in 2005 with 34 births ranking #4170. Since 1996, the popularity has increased by 70.0%. In 2008, approximately 1 in every 55,609 girls born was named Marily. STABLE Recent data shows the name is currently stable.