Cyndi is a distinctive girls' name in United States, ranking #7597 in 2005 with 15 recorded births. The name reached its all-time peak in 2000 with 27 births ranking #4434. Since 1996, the popularity has decreased by 34.8%. In 2005, approximately 1 in every 123,180 girls born was named Cyndi. FALLING Recent data shows the name is currently falling.