Isys is a distinctive girls' name in United States, ranking #6475 in 2010 with 20 recorded births. This places Isys in the top 33% 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 2010, approximately 1 in every 88,866 girls born was named Isys. FALLING Recent data shows the name is currently falling.