Kelsi is a distinctive girls' name in United States, ranking #755 in 2000 with 304 recorded births. The name reached its all-time peak in 1996 with 520 births ranking #474. Since 1996, the popularity has decreased by 41.5%. In 2000, approximately 1 in every 5,974 girls born was named Kelsi. STABLE Recent data shows the name is currently stable.