Marielys is a distinctive girls' name in United States, ranking #6725 in 2009 with 20 recorded births. The name reached its all-time peak in 2008 with 22 births ranking #6281. Since 1996, the popularity has increased by 233.3%. In 2009, approximately 1 in every 91,844 girls born was named Marielys. FALLING Recent data shows the name is currently falling.