Jill is a distinctive girls' name in United States, ranking #1128 in 2001 with 186 recorded births. The name reached its all-time peak in 1996 with 343 births ranking #650. Since 1996, the popularity has decreased by 45.8%. In 2001, approximately 1 in every 9,680 girls born was named Jill. RISING Recent data shows the name is currently rising.