Cyndi is a distinctive girls' name in United States, ranking #6778 in 2002 with 16 recorded births. The name reached its all-time peak in 2000 with 27 births ranking #4434. Since 1996, the popularity has decreased by 30.4%. In 2002, approximately 1 in every 112,301 girls born was named Cyndi. FALLING Recent data shows the name is currently falling.