Kellsie is a distinctive girls' name in United States, ranking #4302 in 1998 with 26 recorded births. The name reached its all-time peak in 1996 with 43 births ranking #2825. Since 1996, the popularity has decreased by 39.5%. In 1998, approximately 1 in every 67,957 girls born was named Kellsie. FALLING Recent data shows the name is currently falling.