Laci is a distinctive girls' name in United States, ranking #685 in 2006 with 412 recorded births. The name reached its all-time peak in 2003 with 686 births ranking #438. Since 1996, the popularity has increased by 267.9%. In 2006, approximately 1 in every 4,614 girls born was named Laci. FALLING Recent data shows the name is currently falling.