Cydni is a distinctive girls' name in United States, ranking #6394 in 2011 with 20 recorded births. The name reached its all-time peak in 1996 with 37 births ranking #3162. Since 1996, the popularity has decreased by 45.9%. In 2011, approximately 1 in every 87,940 girls born was named Cydni. RISING Recent data shows the name is currently rising.