Marielys is a distinctive girls' name in United States, ranking #10293 in 2018 with 10 recorded births. The name reached its all-time peak in 2008 with 22 births ranking #6281. Since 1996, the popularity has increased by 66.7%. In 2018, approximately 1 in every 170,042 girls born was named Marielys. FALLING Recent data shows the name is currently falling.