Cyndi is a distinctive girls' name in United States, ranking #15268 in 2011 with 6 recorded births. The name reached its all-time peak in 2000 with 27 births ranking #4434. Since 1996, the popularity has decreased by 73.9%. In 2011, approximately 1 in every 293,134 girls born was named Cyndi. FALLING Recent data shows the name is currently falling.