Jill is a distinctive girls' name in United States, ranking #988 in 2000 with 215 recorded births. The name reached its all-time peak in 1996 with 343 births ranking #650. Since 1996, the popularity has decreased by 37.3%. In 2000, approximately 1 in every 8,446 girls born was named Jill. RISING Recent data shows the name is currently rising.