Kelsi is a distinctive girls' name in United States, ranking #2346 in 2015 with 79 recorded births. The name reached its all-time peak in 1996 with 520 births ranking #474. Since 1996, the popularity has decreased by 84.8%. In 2015, approximately 1 in every 22,591 girls born was named Kelsi. STABLE Recent data shows the name is currently stable.