Lacy is a distinctive boys' name in United States, ranking #8082 in 1998 with 7 recorded births. The name reached its all-time peak in 2003 with 16 births ranking #4945. Since 1996, the popularity has decreased by 46.2%. In 1998, approximately 1 in every 273,045 boys born was named Lacy. RISING Recent data shows the name is currently rising.