Marielys is a distinctive girls' name in United States, ranking #10173 in 2012 with 11 recorded births. This places Marielys in the bottom 48% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2008 with 22 births ranking #6281. Since 1996, the popularity has increased by 83.3%. In 2012, approximately 1 in every 160,067 girls born was named Marielys. FALLING Recent data shows the name is currently falling.