Lacy is a distinctive girls' name in United States, ranking #1750 in 2016 with 119 recorded births. The name reached its all-time peak in 2003 with 297 births ranking #826. Since 1996, the popularity has decreased by 56.9%. In 2016, approximately 1 in every 14,886 girls born was named Lacy. RISING Recent data shows the name is currently rising.