Kelsi is a distinctive girls' name in United States, ranking #1581 in 2011 with 138 recorded births. The name reached its all-time peak in 1996 with 520 births ranking #474. Since 1996, the popularity has decreased by 73.5%. In 2011, approximately 1 in every 12,745 girls born was named Kelsi. STABLE Recent data shows the name is currently stable.