Ilyssa is a distinctive girls' name in United States, ranking #4504 in 2006 with 32 recorded births. The name reached its all-time peak in 2004 with 41 births ranking #3587. Since 1996, the popularity has increased by 113.3%. In 2006, approximately 1 in every 59,408 girls born was named Ilyssa. FALLING Recent data shows the name is currently falling.