Kayci is a distinctive girls' name in United States, ranking #4865 in 2011 with 29 recorded births. The name reached its all-time peak in 1998 with 51 births ranking #2677. Since 1996, the popularity has decreased by 14.7%. In 2011, approximately 1 in every 60,648 girls born was named Kayci. FALLING Recent data shows the name is currently falling.