Kelsi is a distinctive girls' name in United States, ranking #812 in 2001 with 290 recorded births. The name reached its all-time peak in 1996 with 520 births ranking #474. Since 1996, the popularity has decreased by 44.2%. In 2001, approximately 1 in every 6,209 girls born was named Kelsi. STABLE Recent data shows the name is currently stable.