Sybil is a distinctive girls' name in United States, ranking #7483 in 1998 with 13 recorded births. The name reached its all-time peak in 2023 with 154 births ranking #1449. Since 1996, the popularity has increased by 18.2%. In 1998, approximately 1 in every 135,915 girls born was named Sybil. STABLE Recent data shows the name is currently stable.