Marily is a distinctive girls' name in United States, ranking #10687 in 2001 with 9 recorded births. The name reached its all-time peak in 2005 with 34 births ranking #4170. Since 1996, the popularity has decreased by 55.0%. In 2001, approximately 1 in every 200,062 girls born was named Marily. STABLE Recent data shows the name is currently stable.