Kaci is a distinctive girls' name in United States, ranking #2132 in 2025 with 88 recorded births. The name reached its all-time peak in 1998 with 281 births ranking #766. Since 1996, the popularity has decreased by 66.5%. In 2025, approximately 1 in every 18,264 girls born was named Kaci. FALLING Recent data shows the name is currently falling.