Kaci is a distinctive girls' name in United States, ranking #958 in 2001 with 229 recorded births. The name reached its all-time peak in 1998 with 281 births ranking #766. Since 1996, the popularity has decreased by 12.9%. In 2001, approximately 1 in every 7,863 girls born was named Kaci. FALLING Recent data shows the name is currently falling.