Jyllian is a distinctive girls' name in United States, ranking #6736 in 2003 with 17 recorded births. The name reached its all-time peak in 2001 with 23 births ranking #5085. Since 1996, the popularity has increased by 183.3%. In 2003, approximately 1 in every 107,474 girls born was named Jyllian. FALLING Recent data shows the name is currently falling.