Laci is a distinctive girls' name in United States, ranking #741 in 2007 with 394 recorded births. The name reached its all-time peak in 2003 with 686 births ranking #438. Since 1996, the popularity has increased by 251.8%. In 2007, approximately 1 in every 4,879 girls born was named Laci. FALLING Recent data shows the name is currently falling.