Ilyssa is a distinctive girls' name in United States, ranking #4627 in 2005 with 29 recorded births. The name reached its all-time peak in 2004 with 41 births ranking #3587. Since 1996, the popularity has increased by 93.3%. In 2005, approximately 1 in every 63,714 girls born was named Ilyssa. FALLING Recent data shows the name is currently falling.