Jill is a distinctive girls' name in United States, ranking #4029 in 2015 with 37 recorded births. The name reached its all-time peak in 1996 with 343 births ranking #650. Since 1996, the popularity has decreased by 89.2%. In 2015, approximately 1 in every 48,234 girls born was named Jill. RISING Recent data shows the name is currently rising.