Kelsi is a distinctive girls' name in United States, ranking #2977 in 2021 with 56 recorded births. The name reached its all-time peak in 1996 with 520 births ranking #474. Since 1996, the popularity has decreased by 89.2%. In 2021, approximately 1 in every 29,281 girls born was named Kelsi. STABLE Recent data shows the name is currently stable.