Kaci is a distinctive girls' name in United States, ranking #1085 in 2006 with 234 recorded births. The name reached its all-time peak in 1998 with 281 births ranking #766. Since 1996, the popularity has decreased by 11.0%. In 2006, approximately 1 in every 8,124 girls born was named Kaci. FALLING Recent data shows the name is currently falling.