Kaci is a distinctive girls' name in United States, ranking #1310 in 2008 with 190 recorded births. The name reached its all-time peak in 1998 with 281 births ranking #766. Since 1996, the popularity has decreased by 27.8%. In 2008, approximately 1 in every 9,951 girls born was named Kaci. FALLING Recent data shows the name is currently falling.