Keslie is a distinctive girls' name in United States, ranking #16333 in 2000 with 5 recorded births. The name reached its all-time peak in 2014 with 10 births ranking #10553. Since 1996, the popularity has decreased by 44.4%. In 2000, approximately 1 in every 363,194 girls born was named Keslie. FALLING Recent data shows the name is currently falling.