Jacy is a distinctive girls' name in United States, ranking #4613 in 2017 with 30 recorded births. The name reached its all-time peak in 2000 with 140 births ranking #1348. Since 1996, the popularity has decreased by 73.7%. In 2017, approximately 1 in every 57,529 girls born was named Jacy. FALLING Recent data shows the name is currently falling.