Ilyssa is a distinctive girls' name in United States, ranking #6908 in 2009 with 19 recorded births. The name reached its all-time peak in 2004 with 41 births ranking #3587. Since 1996, the popularity has increased by 26.7%. In 2009, approximately 1 in every 96,677 girls born was named Ilyssa. FALLING Recent data shows the name is currently falling.