Kelsi is a distinctive girls' name in United States, ranking #1227 in 2007 with 204 recorded births. The name reached its all-time peak in 1996 with 520 births ranking #474. Since 1996, the popularity has decreased by 60.8%. In 2007, approximately 1 in every 9,424 girls born was named Kelsi. STABLE Recent data shows the name is currently stable.