Ilyssa is a distinctive girls' name in United States, ranking #6266 in 2016 with 20 recorded births. The name reached its all-time peak in 2004 with 41 births ranking #3587. Since 1996, the popularity has increased by 33.3%. In 2016, approximately 1 in every 88,574 girls born was named Ilyssa. FALLING Recent data shows the name is currently falling.