Lexa is a distinctive girls' name in United States, ranking #3160 in 2003 with 47 recorded births. The name reached its all-time peak in 2017 with 115 births ranking #1808. Since 1996, the popularity has increased by 56.7%. In 2003, approximately 1 in every 38,873 girls born was named Lexa. FALLING Recent data shows the name is currently falling.