Billi is a distinctive girls' name in United States, ranking #14872 in 2014 with 6 recorded births. The name reached its all-time peak in 1996 with 21 births ranking #4753. Since 1996, the popularity has decreased by 71.4%. In 2014, approximately 1 in every 297,656 girls born was named Billi. RISING Recent data shows the name is currently rising.