Lacy is a distinctive girls' name in United States, ranking #826 in 2003 with 297 recorded births. This places Lacy in the top 4% of ranked US girls' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 2003 with 297 births ranking #826. In 2003, approximately 1 in every 6,152 girls born was named Lacy. RISING Recent data shows the name is currently rising.