Leslie is a moderately popular girls' name in United States, ranking #199 in 2010 with 1,565 recorded births. The name reached its all-time peak in 2003 with 3,639 births ranking #91. Since 1996, the popularity has decreased by 41.3%. In 2010, approximately 1 in every 1,136 girls born was named Leslie. FALLING Recent data shows the name is currently falling.