Jaci is a distinctive girls' name in United States, ranking #1385 in 2000 with 135 recorded births. The name reached its all-time peak in 2005 with 221 births ranking #1075. Since 1996, the popularity has increased by 51.7%. In 2000, approximately 1 in every 13,452 girls born was named Jaci. STABLE Recent data shows the name is currently stable.