Jacy is a distinctive girls' name in United States, ranking #3057 in 2010 with 55 recorded births. The name reached its all-time peak in 2000 with 140 births ranking #1348. Since 1996, the popularity has decreased by 51.8%. In 2010, approximately 1 in every 32,315 girls born was named Jacy. FALLING Recent data shows the name is currently falling.