Lexy is a distinctive girls' name in United States, ranking #1905 in 2010 with 106 recorded births. The name reached its all-time peak in 2005 with 136 births ranking #1521. Since 1996, the popularity has increased by 16.5%. In 2010, approximately 1 in every 16,767 girls born was named Lexy. FALLING Recent data shows the name is currently falling.