Jaci is a distinctive girls' name in United States, ranking #1705 in 2010 with 123 recorded births. The name reached its all-time peak in 2005 with 221 births ranking #1075. Since 1996, the popularity has increased by 38.2%. In 2010, approximately 1 in every 14,450 girls born was named Jaci. STABLE Recent data shows the name is currently stable.