Lacy is a distinctive girls' name in United States, ranking #1020 in 2001 with 211 recorded births. The name reached its all-time peak in 2003 with 297 births ranking #826. Since 1996, the popularity has decreased by 23.6%. In 2001, approximately 1 in every 8,533 girls born was named Lacy. RISING Recent data shows the name is currently rising.