Cybil is a distinctive girls' name in United States, ranking #11225 in 2013 with 9 recorded births. The name reached its all-time peak in 2015 with 12 births ranking #9074. Since 1996, the popularity has increased by 80.0%. In 2013, approximately 1 in every 194,935 girls born was named Cybil. FALLING Recent data shows the name is currently falling.