Isys is a distinctive girls' name in United States, ranking #6661 in 2007 with 20 recorded births. This places Isys in the top 32% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2005 with 28 births ranking #4756. In 2007, approximately 1 in every 96,122 girls born was named Isys. FALLING Recent data shows the name is currently falling.