Lexy is a distinctive girls' name in United States, ranking #1528 in 1999 with 112 recorded births. The name reached its all-time peak in 2005 with 136 births ranking #1521. Since 1996, the popularity has increased by 23.1%. In 1999, approximately 1 in every 15,837 girls born was named Lexy. FALLING Recent data shows the name is currently falling.