Kelsi is a distinctive girls' name in United States, ranking #1823 in 2018 with 112 recorded births. The name reached its all-time peak in 1996 with 520 births ranking #474. Since 1996, the popularity has decreased by 78.5%. In 2018, approximately 1 in every 15,182 girls born was named Kelsi. STABLE Recent data shows the name is currently stable.