Keslie is a distinctive girls' name in United States, ranking #11457 in 1997 with 7 recorded births. The name reached its all-time peak in 2014 with 10 births ranking #10553. Since 1996, the popularity has decreased by 22.2%. In 1997, approximately 1 in every 248,666 girls born was named Keslie. FALLING Recent data shows the name is currently falling.