Kelli is a distinctive girls' name in United States, ranking #573 in 2001 with 448 recorded births. The name reached its all-time peak in 1996 with 792 births ranking #350. Since 1996, the popularity has decreased by 43.4%. In 2001, approximately 1 in every 4,019 girls born was named Kelli. FALLING Recent data shows the name is currently falling.