Lacy is a distinctive girls' name in United States, ranking #1482 in 2014 with 151 recorded births. The name reached its all-time peak in 2003 with 297 births ranking #826. Since 1996, the popularity has decreased by 45.3%. In 2014, approximately 1 in every 11,827 girls born was named Lacy. RISING Recent data shows the name is currently rising.