Cybil is a distinctive girls' name in United States, ranking #14195 in 2018 with 6 recorded births. The name reached its all-time peak in 2015 with 12 births ranking #9074. Since 1996, the popularity has increased by 20.0%. In 2018, approximately 1 in every 283,404 girls born was named Cybil. FALLING Recent data shows the name is currently falling.