Lacy is a distinctive girls' name in United States, ranking #1123 in 2002 with 186 recorded births. The name reached its all-time peak in 2003 with 297 births ranking #826. Since 1996, the popularity has decreased by 32.6%. In 2002, approximately 1 in every 9,660 girls born was named Lacy. RISING Recent data shows the name is currently rising.