Billi is a distinctive girls' name in United States, ranking #10014 in 2000 with 9 recorded births. The name reached its all-time peak in 1996 with 21 births ranking #4753. Since 1996, the popularity has decreased by 57.1%. In 2000, approximately 1 in every 201,775 girls born was named Billi. RISING Recent data shows the name is currently rising.