Kelsei is a distinctive girls' name in United States, ranking #9706 in 2009 with 12 recorded births. The name reached its all-time peak in 1996 with 19 births ranking #5179. Since 1996, the popularity has decreased by 36.8%. In 2009, approximately 1 in every 153,073 girls born was named Kelsei. RISING Recent data shows the name is currently rising.