Kelsi is a distinctive girls' name in United States, ranking #2238 in 2016 with 86 recorded births. The name reached its all-time peak in 1996 with 520 births ranking #474. Since 1996, the popularity has decreased by 83.5%. In 2016, approximately 1 in every 20,599 girls born was named Kelsi. STABLE Recent data shows the name is currently stable.