Jacy is a distinctive girls' name in United States, ranking #1807 in 1998 with 86 recorded births. The name reached its all-time peak in 2000 with 140 births ranking #1348. Since 1996, the popularity has decreased by 24.6%. In 1998, approximately 1 in every 20,545 girls born was named Jacy. FALLING Recent data shows the name is currently falling.