Stacy is a distinctive girls' name in United States, ranking #989 in 2011 with 258 recorded births. The name reached its all-time peak in 1996 with 605 births ranking #420. Since 1996, the popularity has decreased by 57.4%. In 2011, approximately 1 in every 6,817 girls born was named Stacy. FALLING Recent data shows the name is currently falling.