Keslie is a distinctive girls' name in United States, ranking #13222 in 2008 with 8 recorded births. The name reached its all-time peak in 2014 with 10 births ranking #10553. Since 1996, the popularity has decreased by 11.1%. In 2008, approximately 1 in every 236,340 girls born was named Keslie. FALLING Recent data shows the name is currently falling.