Jaci is a distinctive girls' name in United States, ranking #1215 in 2006 with 198 recorded births. The name reached its all-time peak in 2005 with 221 births ranking #1075. Since 1996, the popularity has increased by 122.5%. In 2006, approximately 1 in every 9,601 girls born was named Jaci. STABLE Recent data shows the name is currently stable.