Stacy is a distinctive girls' name in United States, ranking #692 in 2007 with 421 recorded births. The name reached its all-time peak in 1996 with 605 births ranking #420. Since 1996, the popularity has decreased by 30.4%. In 2007, approximately 1 in every 4,566 girls born was named Stacy. FALLING Recent data shows the name is currently falling.