Lyly is a distinctive girls' name in United States, ranking #16533 in 2000 with 5 recorded births. The name reached its all-time peak in 1996 with 10 births ranking #8565. Since 1996, the popularity has decreased by 50.0%. In 2000, approximately 1 in every 363,194 girls born was named Lyly. RISING Recent data shows the name is currently rising.