Stacy is a distinctive girls' name in United States, ranking #634 in 2004 with 431 recorded births. The name reached its all-time peak in 1996 with 605 births ranking #420. Since 1996, the popularity has decreased by 28.8%. In 2004, approximately 1 in every 4,260 girls born was named Stacy. FALLING Recent data shows the name is currently falling.