Kellsie is a distinctive girls' name in United States, ranking #8810 in 2013 with 13 recorded births. The name reached its all-time peak in 1996 with 43 births ranking #2825. Since 1996, the popularity has decreased by 69.8%. In 2013, approximately 1 in every 134,955 girls born was named Kellsie. FALLING Recent data shows the name is currently falling.