Kaci is a distinctive girls' name in United States, ranking #1523 in 2018 with 143 recorded births. The name reached its all-time peak in 1998 with 281 births ranking #766. Since 1996, the popularity has decreased by 45.6%. In 2018, approximately 1 in every 11,891 girls born was named Kaci. FALLING Recent data shows the name is currently falling.