Lacy is a distinctive girls' name in United States, ranking #1883 in 2017 with 108 recorded births. The name reached its all-time peak in 2003 with 297 births ranking #826. Since 1996, the popularity has decreased by 60.9%. In 2017, approximately 1 in every 15,980 girls born was named Lacy. RISING Recent data shows the name is currently rising.