Kaci is a distinctive girls' name in United States, ranking #1046 in 2002 with 206 recorded births. The name reached its all-time peak in 1998 with 281 births ranking #766. Since 1996, the popularity has decreased by 21.7%. In 2002, approximately 1 in every 8,722 girls born was named Kaci. FALLING Recent data shows the name is currently falling.