Jaci is a distinctive girls' name in United States, ranking #1507 in 1997 with 108 recorded births. The name reached its all-time peak in 2005 with 221 births ranking #1075. Since 1996, the popularity has increased by 21.3%. In 1997, approximately 1 in every 16,117 girls born was named Jaci. STABLE Recent data shows the name is currently stable.