Marielys is a distinctive girls' name in United States, ranking #12332 in 2004 with 8 recorded births. The name reached its all-time peak in 2008 with 22 births ranking #6281. Since 1996, the popularity has increased by 33.3%. In 2004, approximately 1 in every 229,515 girls born was named Marielys. FALLING Recent data shows the name is currently falling.