Jaci is a distinctive girls' name in United States, ranking #1075 in 2005 with 221 recorded births. The name reached its all-time peak in 2005 with 221 births ranking #1075. Since 1996, the popularity has increased by 148.3%. In 2005, approximately 1 in every 8,361 girls born was named Jaci. STABLE Recent data shows the name is currently stable.